Which of the following is not a natural change to the environment? Drought
flood
Disease
ranching

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

Select the correct answer from each drop-down menu proteins are

Witch theory suggests all living things are made up of cell or cells