What is meant by the habitable zone in other solar systems?

A. A narrow zone around a star where liquid water can exist
B. A zone defined by abundant sunlight
C. A zone with abundant plant growth
D. A zone where oxygen is present


Answer: A

Environmental & Atmospheric Sciences

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The organelles that build proteins in cells are called

A. mitochondria. B. ribosomes. C. lysosomes. D. Golgi apparatuses.

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Organisms that are attached to the bottom of an aquatic ecosystem are termed pelagic.

Answer the following statement true (T) or false (F)

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Describe the materials that are recycled and how recycling is accomplished

What will be an ideal response?

Environmental & Atmospheric Sciences

Judge the following sentence according to the criteria given below: Reef-building corals are able to survive in nutrient-poor tropical waters BECAUSE they receive most of their nutrition from symbiotic zooxanthellae algae

A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct, but the reason is incorrect. D) The assertion is incorrect, but the reason is correct. E) Both the assertion and the reason are incorrect.

Environmental & Atmospheric Sciences