Need help ASAP TY BOYS AND GIRLS What is the best definition of the word tumour? *

1)an abnormal clump of cells
2)a clump of cells that are about to die
3)a clump of cells that are producing toxins
4)cells that are dividing rapidly and can spread to other parts of the body

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase

Which statement about the pancreas is not true? a. it is an endocrine organ in the abdomen. b. it release chemicals into the digestive system. c. it releases insulin to increase glucose levels. d. it release hormones into the bloodstream.

Which type of transport is responsible for oxygen entering into blood cells? a. vesicle b.passive c. facilitated d.active b.passive