Using PCR to type DNA requires a much bigger sample that one used for RFLP.

True
False

Ausable water source is one that can be used by humans for drinking or agriculture. identify the water reservoirs as usable or unusable based on their current state. oceans rivers glaciers freshwater lakes groundwater

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere

Identify the examples in which sam interacts only with natural resources