do blood cells have a rigid cell wall

Use the HR diagram below to answer the question. Labeled HR diagram. The main sequence slopes from the upper-left of the diagram, which is blue, to the bottom-left of the diagram, which is red-orange.

2. What kind of waves are caused by sound? Describe what is happening to molecules.

two cars leave at the same time and travel in opposite directions. one travels 44mi/hr and the other travels 55mi/hr. in how many hours will they be 297 miles apart.

If a wave has a frequency of 8hz it has a period of

What is the main structure of lymphatic system?

The spinning of earth on its axis causes the apparent rising and setting of the

20 m/s can be an answer for velocity true or false

Two copper wires with different diameters are joined end to end. If a current flows in the wire combination, what happens to electrons when they move from the larger-diameter wire into the smaller-diameter wire?

A baseball player is warming up and tosses a ball straight up into the air. The ball travels up until it reaches some maximum height, and then falls back down to the player/'s hand.

Volume can be measured in liters or cubic meters. a. T b. F