Scientists developed the time scale by studying rock layers and fossils world wide.
Radioactive dating helped determine the absolute divisions in the time scale. so mass extinction help because there is more to study
Energy, growth, evolutionary and ecological describe different biological life cycle. Life cycle involves all those living organisms in the earth. Life cycle involves energy that every living organisms need, growth that every living organism undergo, evolution and ecological.
Answer:
patented products
Explanation:
A patented product is one that has gone through a public concession process that has ruled that a particular company or manufacturer has exclusivity in the manufacture and distribution of that product on the market.
There is a concern about the existence of patented products in relation to genetically modified organisms, because this may prohibit the manufacture of similar products. In the case of agricultural crops, this concern becomes even greater, because the controversy of genetically modified and authenticated crops may end up being invaded and contaminating the plantation that has not been genetically modified, causing the producer to lose production rights for the contaminated crop.
Hi
I have heard that a good tip it's that the <span>Ulna bone you can do a quick recognition in oral exam The Ulnar bone has a "U" at the end where it goes over the trochlea. </span>
Well one big factor would be the ozone layer because it absorbs sun rays. Not sure about the rest.