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The pictures below show a bottle made of plastic and a block made of concrete.
Which of these statements is correct about plastic and concrete?
A)Both plastic and concrete are minerals because they are natural, solid materials.
B)Both plastic and concrete are not minerals because they are made by humans.
C)Plastic is a mineral because it has a definite crystal structure but concrete is not a mineral because it is organic.
D)Plastic is not a mineral because it is not formed under the ground but concrete is a mineral because it has a definite composition.
Answers
Neither of these are minerals, B.
Its not A because, they are not natural materials but instead made up of natural materials, like a rubber tree.
Its not C because, like I said, plastic is made from rubber trees, this garentees it doesnt have a crystal structure.
Its not D because, concrete is not a mineral and has indefinite composition.
Answer:
b
Explanation:
took the test
Related Questions
Based on his experiments on pea plants, how many factors did Mendel conclude an offspring receives for a single characteristic?
Answers
Answer:
The answer is 2
Explanation:
Based on his experiments on pea plants, Gregor Mendel concluded that an offspring receives two factors / genes for a single characteristic. These factors exist in pairs, with one factor inherited from each parent. So, here option A is correct.
Mendel's experiments involved cross-breeding different varieties of pea plants and carefully tracking the inheritance patterns of specific traits, such as flower color, seed texture, and plant height. Through his observations, he formulated the fundamental principles of inheritance, which laid the foundation for modern genetics. Mendel's conclusion was based on his observation of the consistent segregation of traits in the offspring. He found that when two pea plants with different forms of a trait (such as tall and short plants) were crossed, the first generation of offspring (F1 generation) all displayed the dominant form of the trait (in this case, all tall plants).
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complete question is below
Based on his experiments on pea plants, how many factors did Mendel conclude an offspring receives for a single characteristic?
A,offspring receives two factors
B,offspring receives ten factors
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This picture shows some fortified cereal in a bowl.
What mineral is most likely added to this cereal to increase its nutritional value?
A) talc
B) iron
C) quartz
D) copper
Answers
B) iron
Fortified cereal usually contains iron, calcium, and sometimes vitamin D
Answer:
The correct answer is iron.
I had to do the same thing and I got it right.
Explanation:
please help!! this is urgent
Answers
Rr - red
rr - white
Each statement explains a cause that would prevent a plant not to bear seed in its life cycle except:
The plant may be harvested before it bears any seed.
The plant will grow to full maturity and produce flowers instead.
The plant may die before it reaches maturity.
The mature plant could be affected by a drought preventing seeds from growing.
best answer gets brainliest
Answers
Answer:
The answer for this is the swcond one
can someone please help me
Answers
Answer:
the answer is the H
Explanation:
how do I find them because I read the question it and look at the problem in those blow down and got the answers H or I think it's j
What types of organisms carry out respiration
Answers
Eukaryotes, including all multicellular organisms and some single-celled organisms, use aerobic respiration to produce energy.
Prokaryotic organisms such as bacteria and archaebacteria can use other forms of respiration, which are somewhat less efficient.
Which statement is true about crossing over of genes?
Ο Α.
Crossing over does not occur between genes that are far apart from each other on a chromosome.
Frequency of crossing over is related to the distance between linked genes.
OB
OC.
Genes that are close to each other frequently cross over.
Answers
can a unicellular organism get diabetes
Answers
Answer:
I don't think unicellular organisms can get diabetes.
Explanation:
Due to their small size, they are simpler to adjust to environmental changes like heat and cold. Unable to expand much. They are unambiguous organisms and may reproduce swiftly.
What disease causing agents in unicellular organism?Bacteria, protists, fungus, algae, and other unicellular organisms are all susceptible to attack by viruses.
When a bacterium is infected, a virus called a bacteriophage, which is smaller than the bacterium and uses it as a host during the T4 cycle to reproduce and flourish, is responsible.
Therefore, unicellular organism get infected with pathogen like virus but having less chance to get disease like diabetes.
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(BRAINLIEST FOR CORRECT FAST ANSWER!!!) Look at each of the thirteen primates and determine the following. Which is the largest? Which is the smallest? How many have tails? Which ones have the largest eyes relative to body size?
Answers
The gibbon is not a monkey. They are considered lesser apes since they are smaller than great apes yet are members of the ape family.
What similarities primates share among together?Although the anatomy of the noses of lemurs and tarsiers are similar, lemurs have a material behind their irises that reflects light, whereas tarsiers don't.
Primates share genetic traits since they are linked to one another. In general, chimpanzees and bonobos, who are the closest living cousins of humans, share roughly 99% of human DNA with our most distant ape ancestors.
Baboons always live on the ground, unlike monkeys, which can either be terrestrial or arboreal. Not all monkeys have a long muzzle like a dog, only baboons do.
Therefore, The same characteristics apply to monkeys. Tarsier skulls have similar olfactory and visual characteristics to monkey skulls.
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Label the Digestive system
Answers
Salivary glands
Pharynx
Esophagus
Stomach
Small Intestine
Large Intestine
Rectum
Accessory digestive organs: liver, gallbladder, pancreas
if a person has a mass of 7 kg on Earth what will be his weight on earth
Answers
How to know age of tree
Answers
Answer:
check the way it's bark is that should help
ill give you a brainliest if it is right
Answers
Answer:
Cooling of magma
Explanation:
Answer:
Igneous rocks (from the Latin word for fire) form when hot, molten rock crystallizes and solidifies. The melt originates deep within the Earth near active plate boundaries or hot spots, then rises toward the surface.
Explanation:
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Sedimentary rocks are formed due to the
A) cooling of magma
B) weathering of rocks
C) changes in pressure
D) changes in temperature
Answers
Answer:
B
Explanation:
The island of Surtsey was formed by volcanic eruption and first appeared in 1963. Figure 1 contains descriptions of changes in the population and diversity of species that occurred on this island over time.
Figure 1
Descriptions of Changes
I Sea lyme grass, sea rockets, oyster plants, and other shrubs appear.
II The lava and sands have few nutrients and are barren.
III Dwarf willow trees colonize the island.
IV Mosses, lichens, and plants that are adapted to dispersal by the wind and growth in sand begin to appear.
Using Figure 1, which of the sequences below lists the descriptions of changes in the correct order of ecological succession?
Answers
Answer: ||, |V, |, |||
Explanation:
Answer: ||, |V, |, |||
Explanation:
Which of the following choices correctly identifies the steps of Mitosis?
Answers
Answer:
Interphase, Prophase, Metaphase, Anaphase, Telophase
Explanation:
no explanation for this lol
A. When the water turns blue, which gas is most common?
Answers
Answer:
O2 or oxygen
Explanation:
You're welcome <3
Which dietary component is unlikely to be deficient in a meat-free diet?
Answers
Answer:
Fibre
Explanation:
i need help of you don't help me..................YOU"LL SEE :)
Answers
All of the following are characteristics of some protists EXCEPT
Answers
Answer: some members are shaped like rods and termed bacilli
what type of weathering would have caused this?
Answers
Explanation:
I think it's caused because of earthquake
All the chemical reaction begin by using?ⓐ activation energy
ⓑexergonic reaction
Answers
What needs to happen for dominant traits to be observed in an organism?
Answers
Answer:
The organism's parents have to either be heterogeneous dominant or homogeneous.
Explanation:
When the traits get passed down they either have to have 2 dominant traits or a mix.
Which statement describes the capsule at the end of a moss’s sporophyte?
A. It performs photosynthesis.
B. It contains spores.
C. It stores food.
D. It absorbs nutrients.
Answers
The diagram attached shows the X chromosomes in a female fruit fly and the X and Y chromosomes in a male fruit fly. The two fruit flies are crossed with each other. Fill in the two chromosomes illustrating the female offspring of the fruit flies.
Answers
Answer:
See image attached.
Explanation:
We can differentiate the X chromosomes by calling the X chromosomes from the female [tex]X^f[/tex] and the X chromosome from the male [tex]X^m[/tex].
Then, we can take these pairs of chromosomes and cross them over in a Punnett square to find the possible offspring chromosome pairs.
We have for the female fruit fly:
[tex]X^f X^f[/tex]We have for the male fruit fly:
[tex]X^m Y[/tex]Create a Punnett square with the female's chromosomes on top and the male's chromosomes on the left.
[tex]\begin{array}{c|c|c|} \multicolumn{1}{c}{} & \multicolumn{1}{c}{\textbf{X}^\textbf{f}} & \multicolumn{1}{c}{\textbf{X}^\textbf{f}} \\ \cline{2-3} \textbf{X}^\textbf{m} & \text{X}^\text{f} \text{X}^\text{m} & \text{X}^\text{f} \text{X}^\text{m} \\ \cline{2-3} \textbf{Y} & \text{X}^\text{f} \text{Y} & \text{X}^\text{f} \text{Y} \\ \cline{2-3}\end{array}[/tex]After crossing over, we can see that there are two pairs of chromosomes inside the Punnett square.
These are the possible combinations of chromosomes for the offspring of the male and female fruit fly.
Using previous knowledge, we know that females have two X chromosomes and males have one X and one Y chromosome.
Since the question wants the chromosomes for the female offspring, we will use the two X chromosomes: [tex]$X^f X^m[/tex].
The female chromosomes have two bold lines, as shown in the diagram. The male X chromosome has 2 skinny lines.
Therefore, when filling the chromosomes that illustrate the female offspring, we will fill the left chromosome ([tex]X^f[/tex]) with two bold lines, and the right chromosome ([tex]X^m[/tex]) with two skinny lines.
Attached is an image of what the chromosome pair for the female offspring should look like.
[tex] {x}^{m} and \: x {}^{f} are \: the \: answers.[/tex]
17. Which of these make up the primary link between a gene and the expression of a trait?
A proteins
B sugars
Clipids
D vitamins
Answers
Answer:
sugars
Explanation:sugers because they are bad to health
The following makes up the primary link between a gene and the expression of a trait: proteins, which are in Option A, as the gene is first converted into mRNA and later into the protein that expresses.
What is the significance of the gene and protein?A gene provides the instructions for making a specific protein that is present on the DNA and that plays a crucial role in the expression of traits, and the proteins and other enzymes are expressed in this way, such that a gene that codes for the production of a specific enzyme will result in the expression of a trait.
Hence, the following makes up the primary link between a gene and the expression of a trait: proteins, which are in Option A, as the gene is first converted into mRNA and later into the protein that expresses.
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What percent of energy is transferred between the levels indicated by the blue arrows? (3 points)
Food pyramid showing plants at the bottom level. Insects and snails are in the second ascending level. The small fish are in the third ascending level. Larger fish are in the fourth ascending level. The top level has a hawk. The blue arrows are pointing to the second and third level of the pyramid.
50 percent
90 percent
100 percent
10 percent
Answers
Answer:10%
Explanation:
I just took the test
Open the color vison simulation and select Single Bulb. Click the button to turn on the flashlight, and toggle the filter switch to add a filter in front of the flashlight. Adjust the Filter Color and Bulb Color sliders to change the light color and the filter color, and observe what color the eye perceives. What happened when you used a colored filter and a colored lightbulb? Using your knowledge of the human eye, explain why this happened.
Answers
Answer:
The person in the simulation could see the colored light only if it passed through a filter of the same color. This filtering of color occurred because the filter absorbs the other colors. The filter lets light that’s the same color as the filter pass through, allowing the person to see that color.
Explanation:
This is the exact answer you might want to change it up just in case so you dont get into trouble.
The person in the simulation can only perceive the accurate color when it has been passed through a color filter which removes other colors.
Color filtersWe know that visible light is composed of several wavelengths. The wavelength that we perceive is dependent on several factors.
In this case, the person in the simulation can only perceive the accurate color when it has been passed through a color filter which removes other colors.
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i’m going to cry please help i just got off a plane and i just wanna sleep but i have to finish this and i have a major headache, here’s the question Drag and drop a term to match these examples with the correct level of organization
Tissue
Organ system
Organ
bone marrow
bones
skeletal system
human body
Answers
Answer:
TISSUE: bone marrow
ORGAN SYSTEM :skeletal system
ORGAN: bones
Explanation:
I took the test good luck you guys :)
Explain the Factors of Erosion
-Gravity:
-Wind:
-Water:
-Ice: