A basic need is defined as something that a living thing could not live without. A burrow would be the correct answer because it is where a chipmunk lives. Another example could be a shark and it's need for the ocean.
Active Transport. In contrast to passive transport that does not require energy to transport substances across the plasma membrane, active transport requires energy to maintains the balance of transporting molecules across the cell membrane.
Answer: the research study lacked a control group, It was difficult to know individuals who are not taking Vitamin C and exposed to cold
Explanation:
Normally in a research study there should be a control group of the same age group like the study group in the same environment, <u>who will not Vit, C but </u><u>a placebo. T</u><u>o determine if Vitamin. C is the actual effective drug for prevention of cold in the study group or other factors.</u>
Therefore, in this study It was difficult to know individuals who were not taking Vitamin C and exposed to cold(control group) Because, it is the comparison of the data from the control group and the study groups that is needed to determine the efficacy of Vitamin C
Answer:
No
Explanation:
This is because as the heart beat and pumps blood into the blood vessels, you can feel the pulse through your wrists, palms e.t.c. when you place your hand on your chest and love dten quietly, you will feel you heart as if it is beating fast which is as a result of it's pumping blood but if u listen well you will be able to count the number of heart beat and know your pulse rate. Heart beating fast can be as a result of stress anxiety, rigourous activities e.t.c.
It is C because it’s all in the middle of the brain