The most important part of an experiment would be; identifying and controlling variables.
In order to set up an experiment, you need to test the specimen(s) with and without a curtain variable. That is what makes an experiment a test.
Answer:
Sunscreen reduces the level of UV radiation, which causes damage to DNA, and slows the development of melanoma
<span>The death of all the producers in a community would affect the carbon and oxygen cycle. </span>There would be no photosynthesis, so there would be an excess of carbon dioxide and not enough oxygen.
There are 6 kingdoms : bacteria, archea, protista, fungi, animalia, and plantae
The 3 domains are : domain bacteria, domain archea, and domain eukarya.
So 6 kingdoms and 3 domains.
Answer:
liver arm ,pivot, effort and load