Jennifer was heating water on a stovetop to cook pasta. She noticed bubbles of water vapor forming at the bottom of the pot of water as the water was boiling. Explain how this water vapor is formed using the terms thermal energy, temperature, and change of state in your explanation.

What is usually (but not always) related to the metabolic processes of living organisms in its organic form?

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.

What will happen if two of the base pairs of the stand of the dna are switched