They are all formed from the same element. So answer choice B.
Tundra biome has a very harsh winter and a cool summer. It has a very low level of precipitation. Because the ground is permanently frozen, only algae, mosses, and lichens are found as vegetation. Animals that live in this biome must be well equipped to combat the very cold weather like the polar bear, artic fox, and snow owl.
Answer:
Substances
0 (most acidic) Hydrochloric acid (HCl)
1 Stomach acid
2 Lemon juice
3 Cola, beer, vinegar.
Examples of alkaline are:sodium hydroxide, potassium hydroxide, calcium hydroxide, magnesium hydroxide etc
Water evaporating is a chemical change so 4
Answer: He supported polygeny through his work measuring human skull volumes. He measured modern and ancient skulls and concluded that the human race (or species) could be ranked on a scale of intelligence. He concluded that the ancient Egyptians were not African, but were Caucasian.