How does the light reaction of photosynthesis affect earth’s supply of oxygen? it releases carbon dioxide and decreases earth’s supply of oxygen. it absorbs oxygen, thus decreasing earth’s oxygen supply. it produces water and does not affect earth’s oxygen supply. it releases oxygen and increases earth’s oxygen supply.

I believe it is C. It produces water and does not affect Earth's oxygen supply.

1. C
2. D
3. C
4. C
5. B
6. A shrub or bush is a small- to medium-sized perennial woody plant. Examples of two shrubs are china rose and lemon.
7. A creeper is any plant that grows along the ground, around another plant, or up a wall by means of extending stems or branches. Examples of two creepers are watermelons and strawberries.
8. A tree is a woody perennial plant, typically having a single stem or trunk growing to a considerable height and bearing lateral branches at some distance from the ground. Examples of trees are palm trees and maple trees.
9. The difference is that creepers spread horizontally along the soil. At the nodal regions - where leaves grow - they produce fibre-like roots arising from the base of the stem, which get fixed and grow further. Such weak stems in creepers are called prostrate stems. Climbers take the support of an object for climbing. Two climbers plants are beans and cucumber, two creeper plants are pumpkin and sweet potatoes.
10. The difference is that herbs have soft and unbranched stems, whereas, shrubs have woody, branched and multi stems. Two herb plants are rosemary and thyme, two shrubs are rose and marigold.

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