Answer:
Adenine (A) with Thymine(T)
Cytosine(C) with Guanine(G)
<span>These types of organisms are not found in the savanna, chickens are identified by their gender, size, weight, colors, and shape and according to their species is known when they can inhabit the savannah, usually, these chickens are not Savannah</span>
A change in the color of a substance -- this one is indeed a chemical change. Think of iron, if iron turns reddish, it's a completely different substance.
