What is neutron??? no need to explain!!✌✌

koi zinda ha《 is anyone alive here 》

(눈‸눈)​ good molning alll​

4. how does a phospholipid behave in water? the phosphate head does not mix with water; the fatty acid tails do. the phosphate head and the fatty acid tails mix with water. the phosphate head and the fatty acid tails do not mix with water. the phosphate head mixes with water; the fatty acid tails do not.

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

Long term exposure to waves can cause sunburns and skin cancer.