How many atoms are there in 1cm^3 of a solid?

Which of the following cannot be the result of punctuated equilibrium extinction and coevolution adaptation and speciation stasis and expansion

Assume that our computer stores decimal numbers using 16 bits - 10 bits for a sign/magnitude mantissa and 6 bits for a sign/magnitude base-2 exponent. (The way we showed in class.) Show the internal representation of the following decimal quantities.

Which of the following happens during a lunar eclipse? The moon appears red. The moon casts a shadow on Earth. Earth, the moon and the sun form a triangle. The moon comes between the sun and Earth.

A railway truck of mass 800 kg moving with a constant velocity of 5 m/s, collides and couples with another railway truck of mass 6+50 kg which is stationary.

4. Which is a chemical property of wood?

Light traveling through the air strikes the surface of the four materials below. Which material reflects light but does not refract it? A) Diamond B) Water Droplets C) Prism D) Metal Spoon

A yoyo is hanging motionless from a string. Identify and describe the forces exerted on the string.

What do stars begin as

A projectile is fired at an angle of 55.0° above the horizontal with an initial speed of 35.0 m/s. what is the magnitude of the horizontal component of the projectile?

What two things increase the gravitational pull between two objects?