Which of these describes the viscosity
of water at room temperature?
a. water has no viscosity at room temperature.
b. viscosity is not a property of water.
c. water has a low viscosity at room temperature.
d. water has a high viscosity at room temperature.

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.