Which of these labels for fossils in a museum display contains an error?

a. dinosaur (middle mesozoic)
b. early mammal (late triassic)
c. early human (early cenozoic)
d. early marine invertebrate (early paleozoic)

The influenza virus cause the flu, but not other diseases. why?

Amylase becomes denatured at a temperature of 80°c. during an experiment to study the effect of varyingtemperature on enzyme activity, amylase’s reactivity with starch was measured at body temperature (37°c), andthen again at an increased temperature of 42°c. how would this increase in temperature affect the experiment

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water