Question 1 Decomposers are important to ecosystems because they:

A. are at the highest level of the energy pyramid
B. change simple compounds into more complex ones
C. convert light energy into sugars through
photosynthesis
D. make nutrients available for producers to use

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

Aflashlight produces light using energy from the batteries. in which order does the energy change form? a. from chemical to electric to light energy b. from electric to light to chemical energy c. from electric to chemical to light energy d. from light to electric to chemical energy

Which are characteristics of flukes? check all that apply. a they are free living. b they are a type of flatworm. c they reproduce sexually. d they have eyespots. e they are segmented.