During a solar eclipse, the moon is blocked by Earth's shadow.
True or false

Technological solutions have good bad effects. what is one bad effect of spraying a chemical pesticide on crops

Afish fossil is found in a rock. a foot bone and tooth are found in an older layer of the same rock. what can scientists learn from the rock? a) the area changed from land to water. b) the area changed from water to land. c) the area has always been land. d) the area was once an ocean.

Compare the advantages and disadvantages of using cash instead of a credit card to obtain good services