In which phylum do organisms have both jointed appendages and an endoskeleton?

A.

sponges

B.

vertebrates

C.

annelids

D.

arthropods

Which of these planets is NOT surrounded by some rings? A. Venus B. Jupiter C. Uranus D. Neptune

Which of these have an elliptical orbit around the sun? A. Earth B. Jupiter C. Mars D. All of the above

What is the period of a satellite in a circular orbit just above the surface of the Moon? The Moon's mass is 7.36 * 1022 kilograms and its radius is 1.738 * 106 meters.

List 10 career opportunities in physics

All matter is made of tiny particles which are in constant ...

A satellite on a Low Earth Orbit is flying with a speed of 7.65 km/s. The vertical component of the Earth's magnetic field is 35.3 μT at the current location of the satellite.

A central air conditioner uses 4.5 kilowatts. It runs for 10 hours over the course of a day. How much energy does the air conditioner use during that day?

Hich of the following needs is an addition to Maslow's original hierarchy and only appears in the eight-stage revised model

What color of light can plants "see"?

Two tiny beads are 25 cm apart with no other charges or fields present. Bead A carries 10 µC of charge and bead B carries 1 µC. Which one of the following statements is true about the magnitudes of the electric forces on these beads