sickle cell disease results in malformed hemoglobin molecules which cell type contains millions of hemoglobin molecules per cell

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels

I’m stuck on this question cuz i’m stupid sksksksk

Mineral rich water heated by newly found oceanic crust escapes through cracks in the ocean floor called