What is denser, salt water or cold water? Why?

Preserved fossils of whales and other organisms have been found in the southern part of Mississippi what could be a reason for this

Which describes two minerals that have different arrangements of their atoms? A. They may have all the same physical properites. B. They may have different physical properties. C. They always have the exact same streak D.

Why would a study involving continuous handrail support, oxygen uptake, and heart rate in women during submaximal step treadmill exercise be quasi-experimental in design versus experimental?

In living cells, chemical processes, such as synthesis, all require the action of

The drug 2,4-dinitrophenol (DNP) makes the mitochondrial inner membrane permeable to H. The resulting disruption of the proton gradient inhibits the mitochondrial production of ATP.

Salivation is controlled almost entirely by the nervous system. Which of the following stimuli would inhibit salivation? A: nausea B: a lemon C: fear D: the thought of food

How are hormones levels regulated? A. By nerve impulses B. By a feedback loop C. By sexual reproduction D. by involuntary

How many bones in a frog

What is the energy that we see as visible light, and how does the eye transform that energy into neural messages?

What studies how traits are inherited though the interactions of alleles.?