What are the three main ways that a biome is classified?

Why are fossil fuels a relatively short-term source of energy

A woman is building a small recording studio in her home. Which material should she cover the walls of the studio with to improve the quality of her recordings? A.) wedged foam B.) stainless steel plates C.) nothing D.) ceramic tiles

Chemical changes are only caused through burning a material only occur to weak materials change the identity of a substance do not affect the identity of a substance

What type of tissue is found on the surface of the ovaries?

Which of the following best describes chemical weathering

What's a cardiovascular system?

Select the correct answer. Which is the most accurate description of an ecosystem? A. An ecosystem consists of a biological community-the physical and chemical factors-that make up its abiotic environment. B.

What are the two main reasons why mitosis is vital to our survival

Which would least likely result from a chromosomal change? a. death of the cell or organism b. no effect on the cell or organism c. enhanced ability of the organism to reproduce d. change to the phenotype of the organism

What carries electrical messages to the brain?