What kind of cell has no nucleus and no membrane bound organelles?

Natural resources are classified as renewable and nonrenewable. What is the difference between the two?

Scientists who study rock formations in caves describe some of the formations as "living rock" because, under certain conditions, they increase in size. Which statement would best dispute the claim that these rock formations are living?

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Soil that forms on on consolidated deposits is called A) Humus B) Bedrock C) Residual soil D) Transported soil

Only a small portion of precipitation becomes groundwater and is returned directly to the oceans through streams and rivers. ( True O False

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Whats the difference between Phylum and Genus

What tool is used to measure the movements of paramecium

How are earthquakes and volcanoes related

How does the color of light affect the rate of photosynthesis