When some amphibians mature they live on land because

Think critically gangue is waste rock remaining after a mineral ore is removed. why is gangue sometimes reprocessed

Which can be used to control the rate of reaction in a nuclear power plant? Select all that apply. heat pressure control rods water

which of the following are characteristics common to all plant and animal cells? select all that apply.

Early land animals had gills as well as lungs. true or false

What did Darwin's observations and accompanying questions allow him to propose as a hypothesis?

Which colorimetric test could be used to assay a person's urine and what color change could indicated mild diabetes? biuret or benedict

Observing animal tracks is an example of direct observation, which is used to estimate population size. True or False

How do valley glacier forms Someone answer this now!

11. Climate is best described as A. the daily weather as predicted by a meteorologist. B. the areas only where the temperatures drop below freezing. C. the long-term average of weather variations in a specific area. D.

Which of these is a biotic factor of an ecosystem? a. the temperature of water in a stream b. the amount of water vapor present in a rain forest c. the bacteria that live in the intestine of a rabbit d. the rocks that provide cover for a rattlesnake