To fully eliminate all infectious microorganisms, which of the following measures must be used?
a. cleansing
b. disinfection
c. sterilization
d. washing

What must be done to breed dogs for a partical trait

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.

Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.