Answer:
atomic number
Explanation:
atomic number = proton number = number of protons
Answer:
rainfall, changes in water level, earthquakes
Answer:
the evolutionary time between two nodes
Explanation:
Branch lengths indicate genetic change i.e. the longer the branch, the more genetic change (or divergence) has occurred
Answer:
The correct answer is:
planters (D)
Explanation:
The key statement in the question is that Andrew wants to apply pesticides and fertilizers to all his crops across his large land. The most effective way of doing this is by using a planter to apply both the fertilizer and the pesticide as the planting occurs. This will ensure that the fertilizers and pesticides are applied directly to the crops and not scattered on the vast land.