Question

1. which of the following is not true about matter in the biosphere? *

human activity does not affect the movement of matter
matter is transferred in one direction through the biosphere
biogeochemical cycles transform and reuse molecules
the total amount of matter decreases over time

1. which of the following explains the role of plants in the carbon cycle? *

plants transfer carbon in the atmosphere to carbohydrates in the biosphere
plants transport carbon dioxide in the atmosphere to ground water
plants transfer oxygen and carbon dioxide in the biosphere to carbon dioxide in the atmosphere
plants transfer oxygen in the atmosphere to fossil fuels

Explanation:

• For question 4:
• Human activities like deforestation and burning fossil fuels affect matter movement. Matter is cycled (not transferred in one - direction) and the law of conservation of matter states matter is not lost (total amount doesn't decrease). Biogeochemical cycles do transform and reuse molecules.
• For question 5:
• Plants take in \(CO_2\) from the atmosphere and through photosynthesis convert it into carbohydrates (\(C_6H_{12}O_6\)). They do not transport \(CO_2\) to groundwater in a significant way for the carbon cycle. They release \(O_2\) (a by - product of photosynthesis) but the main carbon - related role is converting atmospheric \(CO_2\) to organic compounds (carbohydrates).

Answer:

1. Human activity does not affect the movement of matter, Matter is transferred in one direction through the biosphere, The total amount of matter decreases over time.
2. Plants transfer carbon in the atmosphere to carbohydrates in the biosphere.