When a car suddenly stops, the objects in the back seat are thrown forward. This is due to— -:---:--

the law of inertia

the law of action/reaction

the law of force and acceleration

the law of gravitation

The response is the basis for vaccination. primary secondary tertiary none of the above

What is a group of organisms that are closely related and share similar characteristics

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a.one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b.one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c.one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.