#numerical problem find the amount of work done when a body moves 20m distance by the application
show and prove
(ans: 4000joule)

"please don't write useless answer I want right one"

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

Idont understand it 1.what is the boiling point of a solution of 675 grams of ethylene glycol (c2h6o2) in 2.50 liters of water?

2. what two items do autotrophs take from the environment to produce their food? 3. what are the two items that are released during transpiration from leaves? 4. what are the two membranes of the system? a. what are the two stages of photosynthesis? what are the two parts of photosynthesis?