A layer of ice on the surface keeps the water temperature warmer than the air temperature.
A testable hypothesis must be just that--testable. You must be able to provide evidence that your hypothesis can be proven true in order for it to be considered accurate enough for future use among scientists. This can be done through repeated experimentation.
Answer:
Pacemaker cells are located in the <u>sinoatrial node.</u>
Contractile cells are located in the <u>Heart</u>
Explanation:
Answer: D
Explanation: Quick Explanation since you're in a hurry but I found that demographic transition makes the birth rate higher. D should be your best choice
Answer:
Bog
Explanation:
A type of standing-water habitat in which the soil is acidic and decay is slow is called a <u>bog</u>.
