they can cause a toxic effect or failure of therapy depending on the drug-nutrient combinations
A Cuticle, because a cuticle is waxy and it repels water and covers outside of a plant. Unlike a seed, phloem, ad xylem. If you think about your nails wouldn't you think cuticle as well?
Answer- D.seasonal cycles
Explanation: The seasonal cycles is the earth by hibernating during the coldest times of the year. After 12 months there is a decrease from the cold itself this is also for USATestprep.
Answer:
the answer is a. it is the change in heritable traits in living populations over successive generations