HURRY PLEASE Briefly describe the three layers of the mantle. Include
temperatures.
•Lithosphere:
•Asthenosphere:
•Mesosphere:

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.

Asap brainliest will be which sentence about protists is accurate? all protists are unicellular and microscopic in nature. they have organelles, so protists are eukaryotic in nature. all protists make their own energy through photosynthesis.

The negative impacts of nonnative species generally outweigh the positive impacts