Answer:
Groundwater pollution
Explanation:
Pesticides, when sprayed on crop plants, are able to flow below the surface of the ground, reaching water-bearing aquifers, thereby contaminating groundwater, making it unsuitable for both human and agricultural uses.
Answer:
118
Explanation:
The discovery of the 118 chemical element known to exist us of 2021
Answer:
b
Explanation:
b/c proton + neutron=mass number and
mass number - proton= neutron