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Lesechka [4]
3 years ago
6

How s a mixture different than a compound

Biology
1 answer:
OleMash [197]3 years ago
5 0

Compound: two or more different atoms chemically bonded together. Molecule: two or more different or same atoms chemically bonded together. A mixture: contains two or more substances that are not chemically bonded together Hope this helps!!!!!!

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Agriculture is changing the environment. With increased populations, there is a greater demand for food. Which of the following
dusya [7]

The answer is D) desertification and deforestation

To know the answer you can rule out the non-possibilities. A is not correct because farmers use them all the time. B is not correct because water and pesticides can flow downstream and carry and deposit sediment. C is not correct because farmers can flood their own farms. When they plant things and a food comes, all of those plants will die or their roots will detach which lowers the food that can be sold. D is correct because farmers don't farm in the desert or the forest, so it would not be an impact of farming.

4 0
3 years ago
De qué manera un cambio en la secuencia del gen que codifica para una de las cadenas de la hemoglobina puede afectar la función
krek1111 [17]

Answer:

Please put this question in English and I would then love to help you. Thanks.

3 0
3 years ago
A researcher is trying to design an experiment to measure the amount of energy a person uses during different activities. He pro
Tomtit [17]

The right answer is to measure the amount of released carbon dioxide.

The carbon dioxide exhaled by the lungs can reflect the energy consumed by the body since it comes from the degradation of glucose which is the main energy substrate. And this is a better indicator of energy consumption than measuring heart rate because it can be inflected by several factors.


A is false because glucose is not found in the urine, except in the case of diabetes mellitus.

C is false because the consumption of calories does not mean that we will directly use it.

D is wrong because perspiration is independent of energy consumption, this is a way to cool the body after exercise.

7 0
3 years ago
Read 2 more answers
Words to Know Write the letter of the definition next to the matching word as you work through the lesson. You may use the gloss
ikadub [295]

Answer:

Statement A - cellular membrane

Statement B - eukaryote

Statement C - spore

Statement D - prokaryote

Explanation:

The cell membrane is a protective layer present around the cell and cell organelle that regulates and allows different molecules to enter and exit to regulate homeostasis.

Eukaryotes are the organism that can be unicellular or multicellular with the cells contain a nucleus in it.

Spores are reproductive cells that has a resistant layer that protects the cell from an unfavorable condition and capable to form an adult.

An organism that is unicellular and lacks the nucleus is known as a prokaryote and bacteria is an example of such organisms.

5 0
3 years ago
How does a DNA molecule control the activities of a cell
Colt1911 [192]
Well there are 4 things in a dna molecule and that is adenine guanine thymine and cytosine well the DNA molecule keeps the cell moving in the right direction and also helps the cell reproduce and stay healthy
4 0
3 years ago
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