How does food move along alimentary canal? * A. By peristalsis
B. By assimilation
C. By absorption

Spore is reproductive cell can’t develop into new individual. *

a) True
b) False

Vascular plant have special cell to transport food and water. *

a) True
b) False

Mosses, liverworts and hornworts are all vascular plants.

a) True
b) False

No links please

Which table best shows the impacts resulting from human activity? impact of human activities human activity impact forest area cleared to construct an airport increase in oxygen level vegetation cleared to construct an oil mine increase in pollution impact of human activities human activity impact forest area cleared to construct an airport increase in sound pollution vegetation cleared to construct a power plant contamination of water impact of human activities human activity impact beehives cleared from urban areas increase in vegetation dams constructed on a river increase in fish population impact of human activities human activity impact beehives cleared from urban areas increase in bird population dams constructed on a river better quality of water

Ialready know the answers to these questions and they are on the attachment. but i just need to know why that answer is the correct one. plz asap! this is for a report that i need to email by 10!

What are some natural processes that represent physical and chemical changes?