A team of archaeologists excavating a sedimentary rock layer come across some primitive hunting tools used by early humans. As t
he dig progresses, they unearth the fossilized remains of a dinosaur from another layer of the sedimentary rock. Why do these discoveries indicate that the rocks were formed over millions of years?
C) Dinosaurs became extinct millions of years before humans appeared.
Explanation:
Dinosaurs became extinct millions of years before humans evolved. So the sedimentary rock that contained the hunting tools and the dinosaur fossil would have formed over a period of millions of years.
Proteins are made of hundreds and thousands of polymers called Amino Acid which are attached with each other in long chains. There are 20 different types of amino acids that make up a protein
The hormone produced by the placenta that stimulates the ovaries to continue producing estrogen and progesterone is called the follicle stimulating hormone. This hormone stimulates the ovarian follicle allowing the egg to grow thus producing continuous supply of estrogen and progesterone.