I think it’s mechanical waves..
Answer:
Climate
Explanation:
Due to the importance of Agriculture in Virginia's economy an essential thing to conserve will be the climate.Changes in climatic conditions can alter the volume of agricultural products/food produced in the area.A good example can be an increase in temperatures could led to extreme weather conditions reducing the availability of water .Livestock will be affected where as the nursery products could be damaged.This in turn will led to low agricultural productivity.
Answer:
To drive at high speed around an unbanked horizontal curve on the earth.
Explanation:
Garvitational pull on on eart is 6 times more than on the moon. On. Earth, the vehicle will have more grip on the surface due to its weight. This grip will reduce its tendency to skid off the horizontal curve when compared to driving in the same unbanked horizontal curve on the moon.
Answer: sac
Tunicates are sea squirts that are found in the marine water. These animals remains attached to the rocks and the sea beds. They exhibit a body shape which looks like a barrel. The barrel has two openings called as siphons. These siphon helps in the intake of the food particles and oxygen. These animals look like sac on the sea floor.