Most of the asteroids before they reach earths surfaceget larger explodeburn upall intercepted by other asteroids

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

Tropical rain forests support more species per unit area than any other terrestrial ecosystem. what is one way rain forests are important to the health of the biosphere?

This is a biological reaction due to a stimulus. i need this quickly !