Explanation:
Since the wolves were removed from the chain, the elk population has increase drastically which had decreased the size of the beavers habitat. The voles numbers had decrease because there are no predators that prey on coyotes which would often eat voles. this leads to the decreasing vole population and the increase of vegetation.
From the sun. The plant uses oxygen and sunlight to make carbon dioxide.
Answer:
To be sustainable is to be able to maintained at a certain rate. It's to keep things continuous and viable. For example, wind energy is sustainable compared to oil because wind is easier to get than oil. Another example is if a country only has about 10-13 crimes a year for 20 years, crime is sustainable in that country.
Answer:
Hardness (H) is the resistance of a mineral to scratching. The degree of hardness is determined by observing the comparative ease or difficulty with which one mineral is scratched by another or by a steel tool.
Explanation:
https://www.britannica.com/science/mineral-chemical-compound/Hardness Hope this helps
Answer:
Explanation:All matter has mass and occupies space. All physical objects are made of matter. Matter itself is composed of tiny building blocks known as "atoms".