Turgor pressure is the outward pressure that occurs in a plant cell. What creates the pressure for the plant to stand upright?
A. The nucleus, containing the genetic information, makes the plant stand upright.
B. The cell wall alone pushes against the external environment and allows the plant to
stand upright.
C. The vacuoles fill up with water and the cell membrane pushes against the cell wall
causing the plant to stand upright.
D. The mitochondria are pushing against the cell wall to allow the plant to stand upright

What evidence is there that convection occurs in earth’s troposphere?

The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane

80 points pls brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula. 5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects. 8. describe the planets’ orbits around the sun. 9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets. 13. what causes the seasons?