Question

Which body system protects the body against invasion by pathogens?

A.
nervous system

B.
muscular system

C.
excretory system

D.
immune system

Answer 1

I'm almost 100% percent sure it's D

Answer 2

yup..!!

Answer 3

yah

Answer 4

Why don’t plants need a digestive system?

A.
They do not need nutrients to grow and develop.

B.
They use energy from the sun to make their own food.

C.
They create oxygen, which they use as food.

D.
They absorb water and food through their roots.

I think this one is definitly B or D

Answer 5

That's the last one am I right ?

Answer 6

They use energy from the sun to make their own food.

Answer 7

thank you :)

wait one sec and I will give you my grade

Answer 8

i bet its an f

Answer 9

jk

Answer 10

nope a ...

Answer 11

lol..!!

Answer 12

100?

Answer 13

great well done..!!