Question 5 (04.03 LC)
Which part of a plant cell is a rigid layer that surrounds the cell membrane? (1 point)
а
Cell wall
b
Cytoplasm
C
Mitochondrion
d
Vacuole

Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.

Atank has a shape of a cone with a radius at the top of 2 m and a height of 5 m. the tank also has a 1 m spout at the top of the tank. the tank is filled with water up to a height of 2 m. find the work needed to pump all the water out the top of the spout. (use 9.8 m/s2 for g and the fact that the density of water is 1000 kg/m3.)

What happens when the vapor pressure of a liquid is equal to the external pressure?