Coal is the biggest source of electricity production. Discuss some of the effects of coal mining and use for power? How can you reduce the amount of coal used for electricity production?

for each of the following organisms, describe how digested food reaches their body cells: a hibiscus plant, a paramesium, a coral polyp, an earthworm, a mosquito a human

mastering biology After the drought of 1977, researchers on the island of Daphne Major hypothesized that medium ground finches that had large, deep beaks, survived better than those with smaller beaks because they could more easily crack and eat the

Determine a manufacture claims its cleanser works twice as fast as any other could tests be performed to support the claim?

Describe how both your nervous and endocrine systems would be involved if you walked into a surprise party and were truly surprised

How do the meanings of The terms biotic factor and abiotic factor differ

What are the roles of the axon and dendrite?

Which statement best explains why compounds have different properties than the elements that form them? a. When elements form a compound, the bonds and structure of the elements change. b.

What part of your brain controls all mental activities? brain stem medulla cerebellum cerebrum

Which can be an indicator of ecosystem health? a. climax communities b. ecosystem decline c. biodiversity d. endemic

What is your niche at school