Answer:
Because 2 forces are stopping the crate, friction and gravity. While only one force is trying to move it forward.
From the list provided the eco-friendly activities are recycling materials, growing trees, burying organic matter and using fewer disposables. Recycling materials ensures that less refuse is available to become trash. Planting trees prevents and remedies soil erosion. Using fewer disposables ensures that less refuse enters the environment. Filling landfills, cutting trees and burning fossil fuels are all non eco-friendly practices.
When water vapor condenses to become water again, it is relatively pure.
while it occurs during the water cycle, it can be used to purify water for drinking.
Hope this helps
Answer:
Nitrogen is essential for all living things because it is a major part of amino acids, which are the building blocks of proteins and of nucleic acids such as DNA, which transfers genetic information to subsequent generations of organisms. hopes this helps let me know :)
