Which of the following are basic components of the hardy-weinberg model?
a.) allele frequencies, number of individuals in the population
b.) frequencies of two alleles in a gene pool before and after many random matings
c.) allele frequencies, phenotype frequencies
d.) allele frequencies in a subset of the population

Elements and compounds are pure substances that cannot be broken down physically into a simpler substance. a physical change doesn’t break the bonds between atoms of a substance or form new ones. compounds can be broken down by a chemical change. a chemical change breaks chemical bonds and/or forms new ones between atoms of a substance. what simple substance would a compound break into? the basic elements that make it up! for example, if you passed a very strong electric current through water you’d break the chemical bonds in water and be left with oxygen and hydrogen. which of the following is an example of a chemical change? a separating water into different glasses b breaking frozen ice cubes with a hammer c running an electric current through water d boiling water to evaporate it on a stove

The graph shows the solubility of several different salts in water, across a range of temperatures. according to the graph, which salt can dissolve at a concentration of about 60 g/100 cm3 of water at 40 degrees celsius?

If you are in a chronic state of anxiety but also suffer from moment of sudden, intense fear you are problably suffering. from