What Happens to an Astronaut Who Spends 2 Months in the Weightless

question 62

Multiple Choice

What happens to an astronaut who spends 2 months in the weightless environment of a space capsule?

• A) Bone density increases and muscle mass increases.
• B) Bone density decreases and muscle mass increases.
• C) Bone density decreases and muscle mass decreases.
• D) Bone density increases and muscle mass decreases.

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Definitions:

Promoter

A substance that increases the activity of an enzyme or other catalyst, enhancing a chemical reaction.

Non-native Species

Species that are introduced into an ecosystem where they do not naturally occur, often causing harm to the native biodiversity.

High Reproductive Time

Species or organisms that have a long period before reaching sexual maturity, often resulting in fewer offspring over their lifetime.