Answer: Depends on what are you trying to do , a project ?
Explanation:
Active transport uses up energy while passive transport does not.
The cell wall protects a plant cell by giving it protection and support.
The cell wall is made of cellulose which is a specialized sugar that helps give the wall structure and support to protect the inner part of the cell.
Answer:
There are many animals that may survive a flood like a goose, swan. But the main animal would be a duck which have webbed feet to help them get swim through the water to finally fly up into the air and find a nice place to rest and make a new nest. also having the feathers to have the water roll right off them making it so the water does not weigh them down when flying. also ducks can dive under the water about 5 feet to retrieve food.
Explanation:
I hope this helped!!
Answer:
Yes.
Explanation:
Yes, early Earth's atmosphere was formed from the poisonous mixture of helium and hydrogen gases. But with the passage of time when Earth's crust began to cool, the composition of the atmosphere changed and carbondioxide and water concentration in the atmosphere increases due to carbondioxide gas emission from the volcanoes and evaporation of water from water bodies present on the surface of earth.
