When sunlight strikes earth,
a. 30% is reflected back into space
b. 70% is reflected back into space
c. 50% is absorbed by the atmosphere
d. 80% is absorbed by land and oceans

The negative impacts of nonnative species generally outweigh the positive impacts

7. describe two strategies that parents can use to cope with stress. 8. describe the three types of childcare available to families. 9. what can parents do to be more involved in their children's education at home and at school? 10. which factors should a parent consider when choosing a childcare option?

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing