4. Which of these four Periods is the earliest?
5 points
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Jurassic
Triassic
Paleogene
Mississippian

answer; /// i believe the name your looking for is called (plaque)or check good luck

the answer to you question is   jet streams

the answer is b.) hydrogen bonds between bases.

answer: the correct option is d. enzyme

lactase and carbonic anhydrase are the examples of enzymes.

lactase is an enzyme, which is present in the small intestine of mammals. it in the digestion of the disaccharide, lactose ( milk sugar) by converting it into two monosachharide, which are glucose and galactose.

carbonic anhydrase is present in the red blood cells. this enzyme plays significant role in the transport of co₂. it in the conversion of co₂ and h₂o into carbonic acid, which is then dissociated into bicarbonate ions and hydrogen ions.