Depending on the period of time we are talking about, both things have been taking action. In the past, mostly the humans were adapting to the environment in order to survive, as they were still not powerful enough to start and shape up the environment as they wanted. This can easily be seen in the physical features of the people, like the mongoloids have developed fat bellow their eyes in order to protect them from the extreme cold, as well as reducing the sweat glands because they developed as a race in extremely cold environment.
In the more recent times, the humans have turned things around, and they are the ones that change the environment, not the other way around. Because the humans managed to reach a high level of technological advancements, they do not have evolutionary pressure to change, but they are the ones that make the environment adapt to them.
Answer:
The Germinal stage refers to the time from fertilization through the development of the early embryo until implantation is completed in the uterus.
The volcano adds heat to the hydrosphere
There are 550 active volcanos in the world, almost all of which are located at convergent tectonic plate boundaries. This includes all of the volcanoes in the pacific ring fire, such as Japan's mount fuji, as well as mount saint helens, popocafepeti in mexico and Azul in the Andes range.
Hope this helps.
