I think the answer would be: #2 - true; false
Carbon fixation only takes place in autotrophs. For example plants, algae, and some bacteria, or organisms that make their own food.
Answer:
Neanderthals
Explanation:
Homo sapiens encountered neanderthals in europe and had offspring.
Answer:
overreacts to an antigen
Explanation:
Allergies to substances are as a result of immunological dysfunction.