Answer: a. Intervention study
Explanation:
In an interventional research study the participants receive an intervention as they are given a new item or commodity to use and the results of use are evaluated on the basis of change made by the commodity on the participant. Such studies are used for the purpose of clinical trails.
The given research design is the example of interventional study. As the margarine is a new commodity the ingredients of which are claimed to lower down the blood cholesterol levels which can tested by comparing the cholesterol levels in people.
The three ways of improving upon the quality of indigenous soap are :-
● Add virgin coconut oil which serves as a softener and betel leaf extract. ...
● Add activated charcoal black granules or powder to the soap, it removes maximum dirt from the skin.
● Adding a filler which will increase the shelf life of usage of the soap will also improve its quality
Climate changes thats what im guessing .. not too sure though ... sorry
Answer:
Your muscle cells need oxygen so that they can do cellular respiration. when they do that they charge up ATP and then use that to move in accordance to how your brain tells you to.
According to Google, in biology (or science), it means "to cover any funding for scientific research"