What is turgor pressure? A. When a plant can’t use the Sun for photosynthesis

B. When a plant doesn’t have enough water and can’t stand up

C. When a plant has too much water

How does litmus paper indicate an acid?

Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world

What causes different colors to appear in the sky? the absorption of light by air molecules the reflection of light by bodies of water the greenhouse effect in earth's atmosphere the scattering and reflection of light by dust particles