Introduced sewage in water systems
a. decreases levels of phosphorus and nitrogen
b. increases oxygen levels
c. increases concentrations of solids
d. leads to decreases in the temperature

The phylogeny chart shows the evolution of camels. camelus is the modern-day camel. based on this chart, which three statements are true? ⭕ modern camels are more related to stenomylus than to eschatius. ⭕ stenomylous and modern camels do not share a common ancestor. ⭕ modern camels are more related to camelops than to aepycamelus. ⭕ pliauchenia and oxydactylus may share similar features. ⭕ procamelus and stenomylous may share similar features.

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .

Me the formula cacl2 represents the compound