Describe how coal, oil, and natural gas (fossil fuels) from, how these fuels are used, and how using each fuel affect the environment. (3 parts in a question)

A jar contains a certain substance. Which observation would show that the substance must be either a solid or a liquid? A. The substance has both mass and volume. B. The particles of the substance are widely separated from each other. C.

How many atoms of fluorine are in ZrF4

Kingfishers in new guinea are separated into distinct subspecies. which two subspecies would you expect to be most genetically different from one another?

An object or material that can transfer its energy to other objects is called an?

Which of the following is not equal to 63 meters? 0.063 km 0.63 dkm 6,300 cm 63,000 mm

How long does it tae for bleach to evaprate?

What product (s) forms at the cathode in the electrolysis of an aqueous solution of k2so4?

What element is used as a shield to protect people from radioactive substances?

The frequency of a given region of the electromagnetic spectrum is more than 3 x 1019 HZ. Note that the speed of light is 2.998 x 108 m/s. Which waves are found in this region? A. gamma rays B. visible light C. microwaves D. radio waves E. x-rays

A farmer uses water to irrigate his potato crops. Which roles of water does this examplify