Which of the following innovations would be MOST likely to help African farmers? I. Development of frost-resistant strains of seeds.
II. The invention of grain seeds that grow in hot, arid climates.
III. Introduction of farming methods suited to growing food in limited space.
IV. Development of chemical fertilizers that improve nutrients in the soil.

I and II
I and III
II and III
II and IV
III and IV

Astudent is revising the sentence below: i know brendan was upset, but i feel he overreacted. you would have thought he'd just lost his best friend, the way he would bemoan his fate. based on the context of this sentence, which is the best synonym for bemoan? a. complain: express dissatisfaction or annoyance b. grieve: cause distress to someone c. nag: annoy with persistent fault-finding d. provoke: stimulate or incite

What is the bottle's speed, as a percentage of the ball's incoming speed?

Idon’t understand 8. plz ! we are finding the area of polygons. thx in advance!