The answer is <u>fishes</u>. Fish are unique in the aspect that they are the only vertebrates that blood circulates directly from respiratory organs to body tissues without returning to the heart first.
Allowing a scientist to hide information from the public and other scientists has many consequences. By hiding findings, it can prohibit other scientists from using the findings to further advance the research process. It is crucial that findings are shared so advancements in things such as medicine, mental health, physical health, and all other sciences can progress to better help people. If, for example, a scientist found that there are links to cancer and sugar, withholding that information from the public would therefore prevent people from taking precautions against cancer.
Answer: C. Shadow length decreased from sunrise to noon.
Explanation: Think about how the sun is positioned in the sky. If it was noon, the sun is above the stick which means little to no shadow at all. If the sun was rising, its hitting one side of the stick, making the shadow longer.
The dam acts as a barrier between upstream and
downstream. Dams are also built for
irrigation, but it is also deliberately destroyed in favor of irrigated
farming. Though it provides freshwater, and makes people be protected by
droughts, but it can also damage the agricultural resources by limiting the
water in some areas.
Answer:
D 2 million years is the answer
Explanation: