The positively charged particles of an atom are

A) protons

B) neutrons

C) electons

During the late 1990s, many wheat fields in arizona had to be destroyed due to the presence of what?

What is the source of heat for hot springs?

What's the difference between a cyclone and a hurricane?

Consumption was the former name of which disease?

A DNA segment removed from neurospora (a pink mold) contained the base sequence G-T-C-C-A-T-G-C-A. A similar segment of DNA removed from neurospora that had been exposed to radiation for several hours had the base sequence G-T-C-C-A-T.

An organism starts out as a single cell that makes identical copies of itself. true or false

Which best decribes meiosis

The department of nursing at a local hospital is considering changing to charting by exception (CBE). Which statement provides a rationale to support making this change?

Many plants that grow in cooler climates where freezing temperatures are common have needles instead of leaves. These needles have less surface area than a broad leaf, and are coated in a waxy coating.

What state of matter is oxygen