Pure substances are either elements or compounds. Elements can NOT be separated into other types of matter (physically or chemically). Therefore, elements are pure substances. Ex: Hydrogen gas is a pure substance, as it is made up of only Hydrogen atoms or molecules.
The variable 2pq represents proportion of the heterozygotes
Explanation:
In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46. Twenty-two of these pairs, called autosomes, look the same in both males and females. The 23rd pair, the sex chromosomes, differ between males and females.
Answer:
#8: C, #3: B
Explanation:
left atrium, and right ventricle
There's two things that will happen as a result of decreased fresh water income in the Mono Lake:
1. Salinity will increase; as the amount of freshwater will decrease, the Mono Lake will experience increase in salinity of its waters, which will be caused by the lower amount of incoming water and the big evaporation because of the high temperatures.
2. Dry out; the lake will eventually dry out, and that will be due to the bigger evaporation of its waters in comparison to the freshwater that's entering into it.
