They are changed because of the environments changing
Oxygen, it takes in Carbon Dioxide and releases Oxygen as a waste :)
<h2> ANSWER</h2>
<u>B.</u><u> </u><u>carbonate shells are dissolved in deep water</u>
Carbonate sediments are rare in deep sea sediments because the <u>carbonate shells are dissolved in deep water</u><u>.</u>
<h3>#CarryOnLearning</h3>
Yeast means <span>microscopic fungus consisting of single oval cells that reproduce by budding, and are capable of converting sugar into alcohol and carbon dioxide.
mold is where we get medicine from.
mildew is </span>a thin whitish coating consisting of minute fungal hyphae, growing on plants or damp organic material such as paper or leather.
mushrooms increase spread and develop rapidly.
i hope this helps u.
