The correct answer is - A. Devonian.
The Devonian is one of the seven periods of the Paleozoic Era. It lasted for 50 million years, from 410 million years ago until 360 million years ago. It is the period in which the first insects evolved, the first seeded plants, as well as the first land vertebrates. This period came after the Silurian period, and was followed by the Mississippian period.
I'm pretty sure they are talking about the revolution of the moon orbiting the Earth. (Which is going counterclockwise) I'm not 100% sure though.
Answer:
road construction
home building
gold mines
Explanation:
Human-environmental interaction is an age-long process that connects human activities with the rest of the ecosystem. The ecosystem is made of all living and non-living components.
Activities of humans have telling consequences on the ecosystem. They are necessary and important for the survival of human life and their overall well being. Almost all activities of man is constantly geared at shaping the environment they live in.
Road construction involves interaction with the geosphere and other component of the biosphere.
Building of homes is very similar to the road construction.
A gold mine is a perfect example of human-environmental interaction.
Answer:
B- the organization of a company's top executives by world regions where the company sells the most of its product.
Explanation:
Expansion diffusion is a type of diffusion where an idea, belief, or way of living is spread from its area of origin to other locations and where it's influence increases over time.
The odd one out from the list of options given is option B because it does not include the spread of an idea or belief from one place to another, rather it has to do with organizing.
Answer:
The most highly developed geocentric model was that of Ptolemy of Alexandria (2nd century).
