What is the ultimate source of energy for all fossil fuels?

a.
carbon

b.
water

c.
the sun

d.
pressure

What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?