Most meteoroids burn up in this layer A.
exosphere
B.
ionosphere
C.
stratosphere
D.
mesosphere

Need asap plz hurry im being timed when a body cell divides through the process of mitosis, the chromosomes in the daughter cells a. represent only the healthiest chromosomes from the parent cell. b. represent only half of the chromosomes in the parent cell. c. are identical to the chromosomes of the parent cell. d. are formed when chromosomes from the parent cell cross over.

Earthquakes a. created the rock in arches utah b. can be caused by volcanic eruptions c. are caused by tsunami waves d. wear mountains down into hills

Communication and transportation have improved as a result of scientific advancements. select the best answer from the choices provided of mark this and return save and exit next