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3 years ago

When sweat evaporates from your skin the temperature of your skin decreases. This is because

2 answers:

6 0

C - The water molecules with a higher speed are escaping

The temperature of a substance is a measure of the average kinetic energy of the molecules. Therefore as the higher speed molecules escape (by evaporation - that is the breaking of the bonds between the molecule and the rest of the liquid), the average KE of the skin decreases and hence the temperature decreases.

labwork [276]3 years ago

6 0

Well A is somewhat right, but energy is leaving the skin, and B is wrong because if the sweat was trapping the molecules with a higher speed your skin would not cool down, and C is wrong because the higher speed molecules is your water weight, but it is not on you to cool you down, so D is the right answer because the slower molecules are not leaving really, the molecules are on the skin too cool you down.

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3 years ago

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MrRissso [65]

vocabulary 1

1. DNA sequences

2. Homologous structures.

3. Paleontologist

4. analogous structures

5. fossils

6. vestigial

7. Comparative embryology

8. Comparative anatomy

vocabulary 2

1. DNA sequences

2. Analogous structures

3. Comparative anatomy

4. Fossils

5. vestigial

6. homologous structures

7. Comparative embryology

8. structure

9. Scientists

Explanation:

1. Human and apes are evolutionarily closely related based on the analysis of their DNA sequences.

2. Wings of bats and birds serve the same function and are analogous structure.

3. Comparative anatomy is the study of the similarities and differences in structures in similar species.

4. Fossils demonstrate that during the evolution of the whale, the whale moved from land to the sea.

5. The human tailbone and appendix are vestigial organs.

6. The homologous structures are structures that are similar in related organisms because they were inherited from the common ancestor.

7. Comparative embryology is the study of similarities and differences in the embryo of different species.

8. The forelimb of all the mammals has basic bone structure.

9. Scientists who find and study fossils are called paleontologists.

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3 years ago