They are sex cells, also known as Gametes
These ones it helps to draw. you have four carbons and each one must have 4 covalent bonds coming off of it, but the double bond will act as a 2 covalent bonds between carbon atoms rather than 1. You should get C4H8. Alternatively the alkene formula can be used (alkenes are molecules with a C to C double bond) which states CnH2n will be the Molecular formula where n is the number of carbons.
An organism that makes its own food with only the help of sunlight would be and Autotroph, i think thats your answer
Answer:
If they continue to melt the water levels will rise because the melted ice is water and the water is rising due to the melted ice glacier things
Explanation: