Answer:
Larger ships transport invasive species in their ballast water, while fouling organisms such as barnacles, seaweeds and mussels can move from one location to another by hitching, a ride on a boat, on items you use in the water and even your clothes
Polar air masses are characterized by cold air near the surface while tropical air masses are warm or hot.
When sulfurous, sulfuric, and nitric acids in polluted air and rain react with the calcite in marble and limestone, the calcite dissolves. In exposed areas of statues, we see roughened surfaces, removal of material, and loss of carved details
Answer: Option b) Community
Explanation:
A community refers to the entire group of living organisms in an specific area, living together and relying on one another for nutrients, shelter, protection etc.
Thus, a community usually cover more than one kind of organism. An example of community is the organisms in a swamp, which include plants, animal and microorganisms.
