The mineral fluorite is the mineral form of calcium fluoride.It is also called fluorspar. Its chemical formula is CaF2.
The mineral fluorite is used in the process to make steel and aluminium. It is used <span>as a </span>flux<span> in the manufacture of steel and other metals to eliminate </span>impurities<span>.</span>
Separation of homologous chromosomes in meiosis I because it produces 2 haploid (n) daughter cells from a single diploid (2n) parent cell
300 joules of energy. 10% is lost as you go up the pyramid
Answer:
B. The rating number means it will protect you that many times longer than without sunscreen
Explanation:
The sun protection factor is a comparison between the length of time it will take for a skin that has no sunscreen to begin reddening compared to a skin with sunscreen applied. Therefore, the ratings is an indication of the length of time a person will be protected from ultraviolet rays than when the individual has no sunscreen applied.
While higher SPF's are believed to offer more protection against UV rays, the added protection is usually just a negligible amount. They are very important for the skin and protect the body against diseases like cancer.
1 Met or Start (start codon)
2 Ala