Mainly because our lungs are made to intake air, and if we where to inhale water we would drown. oxygen can only be obtained from the air because our lungs would be able to expell the excess stuff from air easier than in water. hope i helped.
I’m like 99 Percent sure this is right.
Experimental Variable: Orange Trees
IND. Variable: The Fungi
DEP. Variable: Fruit Weight
Control Group: Group A
Experimental Group: Group B
Hope this helps!
C they can infect a host and cause disease
Edge 2020
The two types of waste in the cellular respiration are aerobic respiration and anaerobic respiration.
Pollen....because cones are absent in angiosperms.....flowers are absent in gymno....and seeds are also absent in gymno sperm........so and is pollen !
