Scientific notation is often used to express numbers. when is scientific notation more appropriate than standard notation?
a) for numbers that contain fractions.
b) for very large or very small numbers.
c) for measured values during experiments.
d) for numbers and computations during science class.

Select the correct answer. in the image, if the washcloth represents consumed food, which organ of the digestive system correctly represents the action performed by the hands? hands squeezing water from a washcloth a. esophagus b. large intestine c. liver d. mouth

What happens whenever a net force acts on an object

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism