Fill in the blank A biological community and its physical environment including both biotic and abiotic factors is called a(n) _ .

The graph shows the solubility of several different salts in water, across a range of temperatures. according to the graph, which salt can dissolve at a concentration of about 60 g/100 cm3 of water at 40 degrees celsius?

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

Methane gas created by a cows flatulence especially in a large herd is a greenhouse gas. true or false.