D produce unchanging absolute answers
These changes are brought about by the secretion of estrogen and androgens by the ovaries.
The ovaries start producing these hormones which are responsible for these changes that Molly is experiencing. Her puberty is just starting, which means that her body is getting "modified" so as to accommodate her new alterations.
Enzymes belong in the category of proteins
Answer: proteins
The correct answer is C. It is taken in from the air
Explanation:
Carbon dioxide is a gas that exists mainly in the air or atmosphere. Additionally, this chemical compound is required for plants as part of photosynthesis (process to produce energy). In this process, plants take dioxide from the air through the leaves' stomata, which are small spores, use this along with sunlight and water to produce energy, and later release oxygen. According to this, carbon dioxide is taken from the air by plants (option C) while oxygen is given off.