aiding red blood cells to carry more oxygen
production of antibodies that destroy germ toxins
arresting excessive bleeding
production of white blood cells which engulf and digest bacteria
Correct answer is B
No explanation has been provided for this answer.
Which of the following methods does not make water fit for drinking?
Addition of chlorine
Boiling
Distillation
Addition of alum
Correct answer is C
Chlorine is one of the most commonly used for water disinfection. Adding chlorine helps kill certain bacteria and other microbes in tap water.
be at equilibrium
increase by forty (40) percent
begin to increase
begin to decrease
Correct answer is C
No explanation has been provided for this answer.
water
organic matter
water and organic matter
water and inorganic matter
Correct answer is C
No explanation has been provided for this answer.
The falling off of leaves of deciduous trees is helpful to the plant because it
reduces the rate of transpiration
enables the plant to conveniently eliminate its excretory products
enables the plant to bear more fruits
ensurereduces the rate of transpirations that the limited mineral salts get to only growing regions
Correct answer is A
No explanation has been provided for this answer.