erythrocytes are able to carry a great deal of oxygen by a;being biconcave discs in shape b;being small c;having no nucleus d;the presence of haemoglobin in the cytoplasm

Compare and contrast the adaptations of free-living flatworms and parasitic flatworms

An alaskan spruce forest will burn easily once burned the forest regenerates fairly wuickly which statement best describes haw an alaskan spruce forest reacts to fire? it is resilient

Which gas prevents the spread of fire and extinguishes it? is a type of compressed gas that prevents the spread of fire and extinguishes it.