The overall specific gravity of the earth is much higher than the specific gravity of crustal rocks which means the earth is about twice as heavy as the rocks on the surface would suggest. Iron meteorites are thought to have the same composition as the average earth, and the meteorites contain a lot more iron than the Earth's surface rocks.
To find area you multiply its height by the width so 2x2 = 4 (what unit it is)
Answer:
Education
Explanation:
Welfare and education are the largest expenditures by state governments. The expense on education is shared by states and counties, with the counties spending the majority of their funds on county public schools, and the states sharing the burden of financing post-secondary state education.
The question is asking us to complete the following sentence: "The resources that are provided by Earth are known as _______ resources. These resources are for example oil, coal and wind power - they are provided by the Earth. We call those resources "natural" resources - the correct option is A. Natural resources can be both renewable (such as wind) and non-renewable, such as coild and oil (they take too long to be renewed so if we use them up, we won't have any more).
<span>
</span>
We can estimate the age of an open cluster of stars by examining (The turnoff point of the cluster)
