A. A hydrocarbon and oxygen
The second one is correct. Alleles on homologous chromosomes determine traits
the answer to this is chemical change
Answer:
Hippocampus
Explanation:
The main parts of the brain involved with memory are the amygdala, the hippocampus, the cerebellum, and the prefrontal cortex.
Memory impairment from marijuana use occurs because THC alters how the hippocampus, a brain area responsible for memory formation, processes information.