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Strike441 [17]
4 years ago
5

How much clean drinkable water do we have?

Biology
1 answer:
Katen [24]4 years ago
4 0
While 70% of the world is covered with water only 2.5 % of it is fresh. The rest of the water is salty water.Just 1% of our fresh water is easy to get with much of it trapped in glaciers and snowfields 

 
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4 years ago
Which of the following is an example of science, but not biology?
aivan3 [116]

Answer:

The answer is B - Tap water can be found in the natural environment, but what the lab technician is testing is if there is lead in the water. This part is not related to biology therefore making B the answer.

Explanation:

Biology is the study of living organisms and life.

Every other answer is related to Biology.

A - A vitamin that helps with vision - this will affect the human vision to become better after taking it; this relates to biology because it involves the interaction of humans and the human body system.

C - Change of environment - this deals with the bird's environment and how they live and breed, which is in biology

D - Growing coffee to reduce harm to the rainforest - this deals with biology because it is taking about the environment and how certain changes will affect how it will thrive.

E - DNA - this is involved in human and other organism's systems and is related to biology.

7 0
3 years ago
he arm or forelimb of humans, horses, goats, and mice all exhibit the same three bone structures: humerus, ulna, and radius. Whi
iris [78.8K]

Answer:

The right option is; A)

Explanation:  

The limb bones are similar across these species because they share a common ancestor BEST explains this common skeletal structure.  

The three similar bone structures; humerus, ulna and radius that is found in the arm or forelimb of humans, horses, goats, and mice are known as homologous structures. These structures are found in different organisms and because of their similarity suggest that the organisms have evolved from a common ancestor. The structures are usually similar in form but they may not necessarily have the same function in the organisms.

4 0
3 years ago
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