Some psychologists argue that men are more likely to take risks than females because
a. fewer men are necessary to sustain population growth in a society
b. more men generally have elevated levels of testosterone and serotonin
c. fewer men have a well-developed frontal lobe, which control impulses
d. more men have discovered that risky behavior is actually quite safe

The phlogiston theory in the 17th century attempted to explain burning. the theory stated that combustable objects contained a material called phlogiston, a substance without mass, color, odor, etc. after objects burned, the objects were dephlogistonated and were then in their true form. the phlogiston theory was accepted until the 18th century, when lavoisier proved that combustion requires a gas that has mass. phlogiston is considered a) to be scientific knowledge b) not to be scientific knowledge c) to be proven by scientific method d) to be accepted in the modern scientific community

How do you transfer mrna into codons ? i'm so confused : (

Ialready know the answers to these questions and they are on the attachment. but i just need to know why that answer is the correct one. plz asap! this is for a report that i need to email by 10!