Answer:
volcanoes are formed by eruptions of lava and ash when magma rises through cracks or weak spots
Answer:
Which of the following countries has the lowest arithmetic density?
Canada.
<em>Arithmetic density means the number of inhabitants per unit of measurement. </em>
The lowest arithmetic density is in Canada because:
- <em>it has large areas of boreal forest (conifers).
</em>
- <em>there are very low temperatures and an unfavorable climate is present (especially in the northern part of Canada).</em>
The original source of all sand is rocks.
The answer is C I hope it help
