The Earth has a total land area of approximately 150 million
square km. About how much is covered by rain forest?
A. 1.5 million square km
B. 10.5 million square km
C. 15 million square km
D. 50 million square km

C. 15 million square kilometer

Explanation:

Rainforest refers areas of the Earth characterised by tall evergreen trees. The rainforest also has high amount of rainfall.

It helps to regulate our climate and provide us with everyday products.

They are structured in four layers which includes:

• Emergent layer

• Canopy layer

• Understory layer

• Forest floor layer

The approximate total land mass of the Earth is 150 million square kilometer.

The rain forest covers 15 million square kilometer of the total land mass of the Earth.

a neutral ph of 7 and normal organism temperature is needed for a certain enzyme to be effective.  

what would happen to the enzyme if the ph and/or temperature fluctuate greatly from the norm?  

a.the enzyme’s hydrogen bonds will break.  

b.the activation energy will increase.  

c.more product will be formed.

d.the ideal temperature and ph for the enzyme function will decrease.  

the answer is: trichonympha lives in the gut of termites and digests cellulose eaten by the termite.

this is an example of a symbiotic association of a protozoan with its mode of association.

hope i

-lavira: )