B. DNA is heated to separate strands
<span>First.PCR reaction</span>
The muscular system of an organism controls the organism’s muscles. When a hummingbird’s muscular system is affected, the muscles will become weak from a disease and they will potentially die because they will not be able to survive without the strong support of their legs or any other muscle in its body.
The type of rock that will be formed is METAMORPHIC ROCK.
Metamorphic rocks are pre-existing rocks that are formed as a result of physical or chemical alteration by mean of heat and pressure. The process transform the rock into a denser, more compact rock. Examples of metamorphic rocks are marble, gneiss and schist. Metamorphic rocks can be formed from already existing igneous or sedimentary rock. <span />
D. Estuaries
Estuaries are a place where fresh and salt water mix.
ANSWER:
D
EXPLANATION:
Both of their temperatures stay about the same throughout the experiment.
