People with HIV are unable to fight off these rare diseases because they have a weakened immune system.
A scrubber uses water to remove smoke from burning coal.
The whale still has traces of a hip and pelvis bones in the back of his body witch scientist think they used to walk on land
25% is the approximate production efficiency of this animal
Explanation:
Given ,
A ladybug eats 200 J of plant material
100 J is eliminated as feces
75 J are used in cellular respiration,
Now,
The approximate production efficiency of this animal :
200 - (100 +75) = 25 %
