Which body system and organ are essential in circulating oxygen through the body?

What is turgor pressure, what causes it, and what does it do for a plant?

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.

Why did the federal government end its support of yucca mountain as a site for long-term storage of nuclear water