Is the simplest aldehyde. acetaldehyde benzaldehyde malondialdehyde formaldehyde

Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: