Why might scientific conclusions differ?
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A. Different scientists can have different philosophies.
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B. All scientists use the same scientific method.
C. Scientists speak a variety of languages.
D. Scientists vary in age.

A. Different scientists can have different philosophies.

Explanation:

Everyone doesn't think the same. You may think it didn't work while someone else might've thought it was great and it worked.

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

in chemistry, adhesion and cohesion are attractive forces that exist between molecules. they hold the molecules together from each other. they are different in that adhesive force exists between molecules of different substance while cohesive force happens between molecules of same substance.

adhesion between water and glass causes water molecules at the edge of water and glass interface to climb up the wall in a narrow glass tube. this is called capillary action. cohesion is what gives glass its shape and causes water to form a droplet.