Answer:
go to yt, search up lily sabri full body 15 min exercise, and copy that down.
ur teacher will be impressed
Exxplanation:
Answer:
1)Stem cells can be used to study development. 2)Stem cells may help us understand how a complex organism develops from a fertilised egg. ...
3)Stem cells could be used to study disease. ...
option d. Ned volunteers to pick up garbage every Saturday, which helps clean up his community
The rest of the choices doesn't match what is asked. I chose option d. because by picking up garbage is of the ways that could contribute the cleanliness of the environment. Small actions bring big transcendence towards other people and in that way encourage others to take good part as well.
You have not given us any options to pick from @Kristina986
