IN ORDER TO PREDICT THE AGES AND HISTORY OF GEOLOGICAL SPECIMENS SCIENTIST USE BOTH RELATIVE AND ABSOLUTE METHODS OF DATING.
Explanation:
Our planet inherited large number of ARTIFACTS AND MONUMENTS that are unearthed from older historic civilizations, to determine their ages and history relative dating and absolute dating methods are used. Although both dating dating methods are used to determine age and history the results produced by the two methods are different. Absolute dating also called numerical dating determines age and the relative dating presents in geological order formation.
For scientists when they find ruins of once civilization or layers of fossils or rocks. By looking at these using relative dating method they determine how younger/older is a particular object with respect to other and also this method is qualitative and effective in terms of radio active isotope or radio carbon dating. Absolute dating is time consuming compared to relative dating, it is quantitative. Absolute dating is better for igneous and metamorphic rocks.
Theory of natural selection by Charles Darwin explains the moth appearance in England. The theory of genetics describes this as a mere shift of trait due to environmental factors.
<h3><u>Explanation:</u></h3>
Peppered moths are the moths found in England from a long time ago. The environment before the industrial revolution was pure and pollution free, which led to the growth of the white variety of moths as they were able to camouflage better with the bark of the trees from their hunters. The white trait were the parents, and fertilization between the two recessive traits gave rise to the recessive traits only.
But with the industrial revolution, the pollution increased to a huge extent, leading to deposition of smokes and soot on trees bark where white variety of the white moths got easily recognizable. This led to the black moths which now can camouflage better. Thus the nature selected black variety over white variety for better survival, and the white variety reduced dramatically.
The answer is D. Just think how hard it would be to see a moth of that colour when just about everything during that time period is grey.
Well this is simple if just mutiply 10x4 and get 40x. hope this helped.
