Please answer fast which of the following function is more affected if some of its cells lose their nucleoli?
a- skin epidermis
C-arm muscles
c-bony tissues
d-stomach lining

A60-tooth gear is connected to a 72-tooth gear. if the smaller gear turns 12 times, how many turns does the larger gear make?

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.

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