Any two:
1.maple seeds have a wing like structure. why?
2.plumule is also called the future shoot. why?
3.bacteria can be considered as a chain between animals and plants. why?
4.sustainable development is must for the world. why?
plz its too urgent. those who give answer i will start following him or her.

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.

Your friend increases her force on the desk by 30n . she doesn't change the direction of her push . what happens to the net force on the desk .will the desk accelerate