Answer:
Nitrate and phosphate levels rise at a rapid rate
Excessive Plant growth and algal blooms cover the surface of the pond, blocking out sunlight.
Underwater plants begin to die due to lack of photosynthesis, which reduces the amount of dissolved oxygen in the water. Animals also begin to die due to less plants available for food.
Explanation:
Answer:
lack of oxygen
Explanation:
Just like us humans, plants also need oxygen to live
Answer:
Boundary of the heliosphere
Explanation:
It is the spherical region around the sun that is filled with solar magnetic fields.The shape of the heliopause fluctuates an is influenced by a wind of interstellar gas caused by the suns motion through space.
Answer:
The correct answer is option A.
Explanation:
Emus are flightless birds that are native to the African part of the geological location. It is the second largest bird on the planet that can not fly but run very fast.
They show similarities with their Australian cousin ostriches. Ostriches are found in Australia, these are the largest bird on the planet. These are also flightless birds and run up to 45 MPH.
Thus, the correct answer is option A.