For each food listed below, choose whether it has all single carbon-to-carbon bonds or at least one double carbon-to-carbon bond. peanut butter sunflower oil cheddar cheese

Peanut butter - all single carbon-to-carbon bonds

Sunflower oil - at least one double carbon-to-carbon bond.

Cheddar Cheese - - all single carbon-to-carbon bonds

Explanation:

Peanut Butter - is the chemical formula of peanut butter and it contains all single carbon-carbon bond.

Sunflower oil - Sunflower has at least one double carbon-carbon bonds along with one fatty acid

Cheddar cheese - It consists of all single carbon-to-carbon bonds.It is made up of monounsaturated & polyunsaturated fatty acids and saturated fatty acids

i believe it's c. the trait for large beaks will be passed on to future generations through natural selection.

since eventually smaller beaks would have to find another source of food or even eventually just die out from the lack of food.