Answer:
Protostars are difficult to observe because they are surrounded by cocoons of gas and dust.
Answer: option d. the Missouri and Ohio Rivers.
Explanation:
During the last ice age, there was reduction in the amount of solar radiation that hits the surface of the erth. As a result of this, some continents experienced a glacial growth and cold climates and the geography was also affected.
North America was covered by ice and the mid-western North America, the southern boundary of the north polar ice cap during past ice ages is marked by Missouri and Ohio Rivers.
Answer:
on the first day of fall, change.
Answer:
2 biotic factors that compete for a abiotic factor in a forest are a wolf and a deer competing for water.
Explanation:
<em>Jet Streams.</em>
<em />
<em>Hope it can help !!!</em>