Did the knights ascend to heaven when they searched for the holy grail?

How do people observe Earth Day today?

When a cell divides to make two new cells, it copies its DNA first. This is called DNA replication. Why do you think this is important when making body cells like skin or muscle or bone?

The phrase emphatic iron of the fence is an example of

In a nuclear powerplant excess heat is

Which equation shows the cellular process that occurs more as a bird prepares to fly thousands of kilometers?

Which neurotransmitter is released by motor neurons at the neuromuscular junction?

About what fraction of earths fresh water is in the form of ice

Explain the process that creates wind?

Science can only test questions that involve the natural world true or false

Viruses are the exception to the cell theory, but they have some characteristics of living things. What is one of these characteristics?