Write two sentences that describe changes in acceleration on a roller coaster ride. pls help

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 many moles of gas are present if p=11 atm, v=12l, t=185k?

What does the xylem do? stores the glucose captures the sunlight absorbs oxygen into the leaf carries water from the roots to the leaves