DNA is a long molecule that consists of two strands of nucleotides twisted together in a long spiral called a double helix<span>. 1. Each </span>nucleotide<span> contains a sugar, a phosphate, and one of the four </span>bases<span>: (A = adenine, ___ = cytosine, ___ = guanine, or ___ = thymine). </span>2<span>.</span>
I believe a pot of water that is being heated by a electric burner. This is because the warmer water moves to the top and the cooler water moves down to the bottom of the pot. This causes a circular motion. The next example of convection heat is a hot air ballon rising and falling in the atmosphere. A radiator is also because the hot air is drawn out the top and the cooler air is drawn to the bottom.
A. Every biome that has living things.
Answer:
Animals making the territory with example Lion, Tiger, hyena among others
Explanation:
Animals marks their territory through secretion of pheromones, some makes sound, it is a form of behavioral act that allows to protect ones territory or boundary