Answer: D) There are no fossils of dinosaurs in rocks above the iridium layer.
Explanation: i’m not good at explaining but the meteorite which caused mass extinction to dinosaurs left behind iridium. if there was a mass extinction, then there is no more dinosaurs and there won’t be any fossils left of them to be found above of the iridium layer as they are allllll gone. good luck with school everyone!
This is basic biology. If a species of bird eats a particular species of plant seeds, then the bird proceeds to disperse or drop the seeds in new places through its fecal matter, the plant will continue to grow in new places and thrive.
If the species of bird is eaten or killed off by say a disease, there are no birds to spread the plant seed, therefore resulting in the death of the plant species
Soory i just realy need points hope you get the right awenser soon tho sorry
Mental illness occurs when symptoms of depression manifest mostly psychological depressed moods, while physical illness results from depression manifested as physiological symptoms like loss of appetite.
Depression, which results from <em>loss of interest</em>, can be traced to psychological or physiological factors. Since depression is a medical condition, there is always the need to identify the drivers for appropriate treatment.
Thus, psychological depression manifests as a mental illness, while physiological depression manifests as a physical illness.
Learn more: brainly.com/question/16342878
Answer:For these people, it was a time of 4) downward mobility
Explanation:
Downward mobility – occurs when people come down to lower classes based on social classes that they were original born under. In the late 40s and 50s they were plenty managerial opportunities that arised for certain individuals from certainly groups however with time these opportunities are getting over filled and these individuals are parents already which means their kids who come after them no longer have spaces to fill in the upper positions but to take lower positions that are available to them. Then finding themselves in lower social ranks as compared to those of their fathers.
