The ancient Sumerians modified their environment to increase food production by<span> digging irrigation canals which was a very big part of European development. </span>
Answer:
B. Look around, since even a changed ecosystem is still an ecosystem.
Explanation:
Ecosystem refers to the interaction or relationship that exist between living organisms and its surrounding environment. This environment provides habitat, food and other needs to the organisms. If the people in the Midwest determine what kind of natural ecosystem they are in, they have to look around the environment they are living. This environment includes all the plants and animals that survive the change which occurs due to humans intervention.
Answer:
Rotation = Like on day
Revolution = One year
Explanation:
There is one rotation every 24 hours
There is one revolution every 365 days
Answer: B
Explanation: The reason for this is that a conic projection is good for lay out of a globe but for acurate viewings it’s the worst and the Mercator projection although is the most common projection it strechs the size of things for example you could say Greenland is around the size of africa but in reality it’s 14 times smaller Therefore the Equal-area projection is the best.