Answer:
Density is nearly 3 cabs per hectare
Explanation:
Given -
There are three three intertidal regions.
Area of each intertidal region is 
hectares.
Number of crab in the intertidal regions are as follows -
Intertidal region I - 7
Intertidal region I - 2
Intertidal region I - 6
Sum of crabs in all three regions is equal to
Total area of all three intertidal regions is equal to
hectares
Now density per hectare is equal to total population of crab divided by total area of all the three intertidal regions
Density 
Density is nearly 3 cabs per hectare
Answer:
below
Explanation:
Greenhouse gas increases will cause an increase in desert areas on Earth. Current desert areas will grow as
temperatures cause increased evaporation. Humans will migrate away from these areas of low water and
productivity
Strip mining is taking away the surface, literally scraping the surface away to remove coal.
Climate: is the long-term average of weather, typically averaged over a period of 30 years. D is the answer
Answer:
Individuals who live around the woodland regions and rely on the backwoods assets for food. The Public authority Timberland Office, which possesses the backwoods land. The industrialists utilize woodland items for different modern purposes. The fans for the protection of untamed life and nature.
Explanation:
