There have been books written about how

blood type affects personality or body shape.

Knowing that blood type is determined by

antigens on erythrocytes, are these claims

scientifically valid?

O True

O False

A car covers first half of the distance between two places at a speed of 40 km/h and the second half at 60 km/h. What is the average speed of the car?

Most comets have short periods and orbit close to the ecliptic plane. (T/F)

If you throw a rock into a pond, it creates a wave in the water. what is responsible for creating an electromagnetic wave? hints

Are fossil fuels are a form of mechanical energy?

A block of wood floats in fresh water with 0.848 of its volume V submerged and in oil with 0.910 V submerged. Find the density of (a) the wood and (b) the oil.

How do aeroplanes fly?

What is constant acceleration?

What is the best conductor of electricity? A. aluminum B. gasoline C. protien D. lipids

A container of water is lifted vertically 3.0m

Newton's second law of motion addresses the relationship between what two variables that influence the force on a body? A. Mass and acceleration B. acceleration and inertia C. Inertia and mass D. Acceleration and velocity