Answer:
In water cycle, water evaporates from the sea and oceans in the form of water vapors due to the radiation of the sun. This evaporation in the ocean is the starting point of water cycle.
Explanation:
Water cycle is also called hydrological cycle. In this cycle , water evaporates from water bodies such as rivers, seas, ponds and oceans etc. Water is also evaporated from plant bodies in the process of both evaporation and transpiration. This water moves in the form of vapors and forms clouds. These clouds moves to the land and fall on the earth surface in the form of rainfall and snowfall. From there, this water moves to the oceans through lakes and rivers and repeat the cycle again.
Earths own loop cycle is some arguments I’ve heard.
Answers
When doing medical research with human subjects, the following are unavoidable limitations;
It’s often impossible to repeat trials on the same subjects.
Subjects may report an inaccurate medical history.
It can be difficult to control all possible variables
There are ethical or privacy concerns to consider.
Explanation
When doing a medical research that involves human subjects it should be voluntary, informed and consent. The researchers should respect the persons treated as autonomous agents. The volunteers should be protected from physical, mental and emotional harm. The benefits should outweigh the costs.
Answer:all the things that you keep the same in the experiment
Explanation: