Which of the following is true?

A PLant cells are unaffected when water is scarce

B Some substances must be dissolved in water before they can be used

C Water is important to some organisms

D All organisms obtain water through food

Determine how much farther a person can jump on the moon as compared to the earth if take off speed and angle are the same

Suggest why it might be a good idea to reduce the pressure of the air in car tyres if the car is to be driven over soft sand or over snow.

How does friction with the atmosphere affect the speed of an artificial satellite

An electric insulator is a material: A. Containing no electrons B. Through which electrons do not flow easily C. That has more electrons than protons on its surface D. Cannot be a pure chemical element

What is the relationship between mass, weight, and gravity?

What scientific question does Isaac Asimov most clearly address with his story "Runaround"? A. Should robots be allowed to marry? B, should robots be treated as members of the family? C. Can robots be trained to follow a moral code? D.

The force generated by a single muscle fiber can be increased by increasing is called

Write an expression that results in a String consisting of the third through tenth characters of the String s.

Noah Formula is in an airplane which is flying at constant speed in a circular course of radius 6500 m, circling O'Hare's airplane prior to landing. Noah observed that the plane completes each round trip in 345 seconds (5 minutes & 45 seconds).

Two pieces of metal with exactly the same mass are placed on a surface in bright sunlight. The temperature of the 1st block increases by 3°C while the temperature of the 2nd increases by 8°C. If the specific heat of the 2nd block is 0.