Why is desertification so dangerous in africa?
a.
diseases are carried through deserts.
b.
nobody is planning new housing in deserts.
c.
without sufficient farmland, people go hungry.
d.
people are suspicious about sand.

Why is this statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive. a. it is a well-known fact. b. it is a proven theory. c. it is not falsifiable. d. it is difficult to test.

What period of history refers to the time when people did not have written records

Which of the following is an example of proximodistal pattern of growth? (a) abbey learning to sit first before learning to stand or crawl (b) alex learning to move his eyes before learning his first words (c) colin learning to stare at moving objects before trying to touch them with his hands (d) polly learning to grab the objects with her whole hands before learning to pick them up with her fingers