C
The respiratory system removes the waste carbon dioxide produced from aerobic respiration in the body.
Answer:
Leaves are the site of the food making process called photosynthesis. In this process, carbon dioxide and water in the presence of chlorophyll (the green pigment) and light energy are changed into glucose which is sugar. This energy rich sugar is the source of food used by most plants.
Explanation:
Answer:
False humans can be classically conditioned.
Although humans learning something wouldn't general be considered classical conditioning but rather Cognition. That doesn’t mean they can’t “learn” via classical conditioning.
Answer:
D.
Explanation:
Seeds are the limiting factor.
