Why do scientists try to repeat other scientists’ experiments? to test if the instruments in their labs are working properly to practice following the procedures to try to improve the first scientist’s work to see if the original results are reproducible

Vegetation that grows along the floors of tropical and temperate forests is called undergrowth. how is the undergrowth of a tropical rain forest most likely to differ from the undergrowth of a temperate forest? a. a tropical rain forest's undergrowth most likely experiences periods of dormancy during colder weather. b. a tropical rain forest's undergrowth most likely experiences periods of dormancy during rainy weather. c. the undergrowth of a tropical rain forest most likely requires less sunlight. d. the undergrowth of a tropical rain forest most likely requires more sunlight.

An easy way to calculate the amount of energy available at each level is to what?

Study this image which statement best describes the rock shown check all that apply