Sound wave is a pressure caused by the vibration of something in a medium that transfers anergy, like air.
In 60 years, from 1801 to 1862, the amount of cotton picked daily by an enslaved person increased 400 percent. The profits from cotton propelled the US into a position as one of the leading economies in the world, and made the South its most prosperous region.
The correct answer is - A. Devonian.
The Devonian is one of the seven periods of the Paleozoic Era. It lasted for 50 million years, from 410 million years ago until 360 million years ago. It is the period in which the first insects evolved, the first seeded plants, as well as the first land vertebrates. This period came after the Silurian period, and was followed by the Mississippian period.
Answer:
The role of rainforests in the water cycle is to add water to the atmosphere through the process of transpiration in which plants release water from their leaves during photosynthesis.
Explanation:
This moisture contributes to the formation of rain clouds, which release the water back onto the rainforest.
Answer:
The ice is not too much colder than its melting point, and deforms something like hot rocks in the mantle or a chocolate bar in your pocket.
Explanation: