How was the Cretaceous period different from the Jurassic Period? a.
The Jurassic period had angiosperms, while the Cretaceous did not.
b.
Pangaea split during the Jurassic period.
c.
There were dinosaurs in the Jurassic period, which went extinct in the Cretaceous period.
d.
Conifers and ferns were present in the Jurassic period, but not in the Cretaceous period.

the real answer is b. scintillation counter

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.

cuz some people don't have enough food. that's why we need more ppl to donate food to the hungry.