If you open sack of flour with bodies of dead weevils this is a sign of what

Place the steps tor the formation of the enzyme pepsinogen in correct order

Environmental differences within ecosystems are generally caused by

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