Which of the following is an example of gene cloning?
a. the fastest deer surviving in the wild
b. genetically modifying corn plants to produce the bt toxin
c. only allowing dogs to breed if they have good temperaments
d. choosing to plant seeds from the reddest, juiciest tomatoes

Which of the following is an advantage of solar energy?

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen

What material did the moon come from?