Answer:
Simple organisms, such as theamoeba and earthworm, have a moist, permeable external surface. Oxygencan pass into them through this surface by diffusion. A large surface area is needed for effective gas exchange - so larger, more complex, organisms have special organs such as gills and lungs.
Explanation:
C because it has to have lots of radiation
2 processes that allow water to enter the atmosphere are evaporation and transpiration.
Answer:
I think it is A
Explanation:
condiments May reach groundwater from activities on land surface such as releases or spills from stored industrial what is from source below the land surface but above the water table, such as septic systems or leaking underground petroleum storage systems from structures beneath the water table
