Scientists are examining different sea floor structures like those in the model of the Earth's crust below.


The distance between X and Y represents thousands of kilometers of distance on Earth. The scientists notice that the rocks located at point X are older than the rocks located at point Y. What does this information about the age of the rocks indicate to the scientists?
A.
There is an underwater volcano producing new rock at point X.
B.
The sea floor is moving from Y to X over the course of millions of years.
C.
New rock is constantly covering old rock on the ocean floor.
D.
The sea floor is moving from X to Y over the course of millions of years.

True as it saves natural resources and from pollution of land.

Answer:

This is very vague. I am pretty sure that there are other instructions.

Potential energy is greatest at point D. Therefore, option C is correct.

Potential energy is the energy that is stored inside of an object due to the object's position, state, or arrangement. When an object's position, status, or configuration changes, the energy that has been stored in it is released.

The gravitational potential energy of an item, the elastic potential energy of a stretched spring, and the electric potential energy of an electric charge in an electric field are examples of common types of potential energy.

Potential energy depends upon the mass and height of the object. The greater the mass and height, the greater will be the potential energy of the object. The height of position D is maximum, therefore potential energy is greatest at point D. Hence, option C is correct.

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Answer:

Answer below

Explanation:

Cholesterol refers to a group of chemical compounds. A sterol is a kind of lipid, and cholesterol is one of them. All animal cells produce cholesterol, which is an important structural component of cell membranes. It is a yellowish crystalline solid when chemically separated.

a sterol-type molecule present in most human tissues. Cholesterol and its derivatives are key components of cell membranes and precursors of other steroid chemicals, but a high proportion of low-density lipoprotein in the blood (which delivers cholesterol to the tissues) is linked to a higher risk of coronary heart disease.

Cholesterol is a waxy, fat-like molecule found in all of your body's cells. Cholesterol is required by your body for the production of hormones, vitamin D, and chemicals that aid digestion. Your body produces all of the cholesterol you require.

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Answer:

Source:

Answer:

Every recognized species on earth (at least in theory) is given a two-part scientific name. This system is called "binomial nomenclature." These names are important because they allow people throughout the world to communicate unambiguously about animal species.

Answer: Although many tests indicate you can test as soon as five days before your next period, the most accurate results will be obtained after you have missed your period and the earliest a test can provide an accurate reading is 14 days after conception. Tests differ in sensitivity in detecting HCG in the urine.

Explanation:

Lysosome organelle is most likely malfunctioning in the patient's cells (option b),.

The organelle most likely malfunctioning in the patient's cells is the lysosome. Lysosomes are membrane-bound organelles that contain enzymes responsible for breaking down waste materials, cellular debris, and foreign substances. They play a vital role in cellular waste disposal and recycling.

In this case, the patient is diagnosed with a disease caused by the buildup of waste material in the body's cells. This suggests that there is a problem with the breakdown and disposal of waste materials within the cells.

The Golgi apparatus is responsible for modifying, sorting, and packaging proteins for transport within or outside the cell. It is not directly involved in waste material breakdown.

Ribosomes are responsible for protein synthesis and are not directly involved in waste material breakdown either.

The endoplasmic reticulum (ER) is involved in protein synthesis, lipid metabolism, and detoxification. However, its dysfunction would not directly result in the buildup of waste material in the cells.

Therefore, considering the role of lysosomes in waste material breakdown, it is most likely that the malfunctioning organelle in the patient's cells is the lysosome. This malfunction would lead to the accumulation of waste material, causing the disease symptoms.

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Answer: The muscle cells long oval shape helps it reach across to pull on its neighboring cells, while also cimpressing into a circular shape when the fibers contract. This it take up an optimal amount of space while not make the cell bulge in an uncomfortable and awkward way.

Explanation:

Ovulation starts when the secretion of Luteinizing hormone (LH) peaks in females.

Ovulation is simply the release of eggs from the ovaries of females. It happens as a part of the menstrual cycles of the female gender.

The release of eggs from the ovary is triggered by an acute rise in the level of LH in females. LH in males stimulates the production of testosterone.

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Answer:

A

Mark me as brainliest ONLY if my answer is correct

I apologize if my answer is incorrect I will better my answering strategies if it is incorrect.

Explanation:

Answer:

Photosynthesis converts solar energy into chemical energy that plants use to make glucose so they can grow.

Explanation:

During photosynthesis, solar energy is converted into chemical energy in the form of ATP molecules.

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During photosynthesis solar energy is converted into chemical energy in the form of energy rich bond of ATP molecule.

ATP (Adenosine triphosphate) and ADP (Adenosine diphosphate) molecules are termed currency of energy. ADP molecule is converted into ATP molecules, whenever energy is available in certain exothermic reactions of metabolism.

ATP molecules are store- house of energy. ATP molecule is broken down into ADP molecule in presence of enzyme ATPase, releasing energy whenever energy is required.

The synthesis of ATP molecules, utilizing solar energy during photosynthesis, is termed photo-phosphorylation.

These ATP molecules produced during light reaction of photosynthesis are utilized in dark reaction of photosynthesis (Calvin cycle).

ATP molecules synthesized during photo-phosphorylation may also be used in other metabolic reactions.

Photo-phosphorylation is of 2 types, i.e. Cyclic and Non-cyclic photo-phosphorylation.

Chlorophyll molecules entrap solar energy . There are 2 types of photo systems in chlorophyll. These are photo-system -I and photo-system-II .

The electrons of chlorophyll molecule of photo-system I get excited which pass through series of electron carriers in electron transport system arranged in the order of decreasing energy level.

During the passage of electrons from carriers of higher energy level to the carriers of lower energy level, the energy is lost which is utilized for converting ADP molecule into ATP molecule.

Photo-system I is concerned with light reaction of photosynthesis only, constituting cyclic photo-phosphorylation.

The electron transport during Photo-system II results in the synthesis of NADPH2 in presence of enzyme NADP reductase. NADPH2 is used in reduction reaction of Calvin cycle.

Both Photo-systems participate in non-cyclic photo-phosphorylation that results in the synthesis of NADPH2 in addition to the synthesis of ATP molecules.

Answer:it’s a machine to weave cloth

Reason: there was too much demand to do it by hand

Importance: it’s important because it changed the way people worked in the textile industry as they didn’t have to weave cloth by hand anymore and it saved tons of time

Reason: there was too much demand to do it by hand

Answer:

all above

Explanation:

Answer:

The purpose of the salt bridge is to keep the solutions electrically neutral and allow the free flow of ions from one cell to another. Without the salt bridge, positive and negative charges will build up around the electrodes causing the reaction to stop.

you have to always act your age and actually ask a question

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Answer:

I think the answer you're looking for is pulse

Answer:

Plants, algae, and a group of bacteria called cyanobacteria are the only organisms capable of performing photosynthesis (Figure 1). Because they use light to manufacture their own food, they are called photoautotrophs (literally, “self-feeders using light”).

Answer:

what is that supposed to be? maybe a pic of the question?

Answer:

The presence of grit and rust can to some degree alter the markings on bullets fired through the same barrel.

Explanation:

Answer:

blastocyst / blastula forms

Answer:

blastocyst

Explanation:

im not sure how to explain this i just took this test.

its one of those question you do flashcards for.

Answer:

The Astrand Treadmill Test. The 2.4 km Run Test. The Multistage Bleep Test.

Explanation:

Answer:

they male contain 2 seeds

Answer:

Buzz cut= razor

technique= going up with the razor to slightly create a certain look

Explanation:

Answer:

the embryos release waste material, which the algae feed on. In turn the algae photosynthesis and release oxygen, which the embryos take in

Explanation:

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Answer:

I don't have space for the download can't you send screenshot

Answer:

Explanation:

All of the finches evolved from one ancestral species and adapted to their specific niche. of them evolved from one ancestral species, which colonized the islands only a few million years ago.

Darwin's finches, which was residing in the Galapagos archipelago and Cocos island, constitute an iconic model for studies of speciation and adaptive evolution. All of the finches evolved from one ancestral species and adapted to their specific niche.

The evolutionary history of Darwin's finches is identified by a gene that explains variation in beak shape within and among species.

The major factor influencing the survival of the medium ground finches is weather and the availability of food.

As all of the finches evolved from a single ancestral species and adapted to their specific niche, it is a specific example of competitive advantage exhibited by Darwin’s finches.

Thus, the correct option is C.

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Answer:

DNA “typos” cause variation

Explanation:

Any time DNA is copied, a mistake or change can occur in the letters of the DNA sequence, or gene. These changes result in variations or differences in DNA from person to person.

The "typos" that happen when DNA is being copied is mutations and variations.

A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke.

Moreover, mutations result either from errors in DNA replication or from the damaging effects of mutagens, such as chemicals and radiation, which react with DNA and change the structures of individual nucleotides.

Therefore, mutations within the DNA are a fairly common event. Mutations are random changes that occur within the sequence of bases in DNA. They can be large scale, altering the structure of the chromosomes.

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