Answer:
A cartographer is someone who produces maps.
Explanation:
Pollution; waste and discharge falls into the water, polluting the sea grass. It reduces the amount of sunlight and the plant might die.
Poor land management; trees lead to the erosion of dirt, making the soil cloud up the water, not giving the sea grass sunlight.
Careless behavior; from people stepping onto the sea grass, to other items falling and smothering the sea grass.
(Come up with one more on your own. c: )
Oxygen!
Plants release carbon dioxide, oxygen, and water vapor through their stomata. Oxygen is less needed because water and carbon dioxide can be changed into sugar.
Chromosomes. and these words are only because it needs to be 20 characters
