Write difference between LPG and CNG

Give one example of a microscopic structure

When the base of a glacier melts and refreeze it will likely pick up some rocks this process is called? A. outwashing B. plucking C. oxidation D. abrasion

How does the study of biodiversity begin

Which population would be most immediately affected by the removal of the lizard population?

Which of the choices below gives a true example of how a natural resource can be renewed? When an area's natural gas has been used up, oxygen can replace the gas. When forests have been cut down, new native trees can be planted.

What type of UV light is used during tanning beds and why is it so dangerous?

As a seed plant grows the roots grow downward due to the force of

Egg laying land animals have evolved to produce eggs with tough shells to ensure that

Which of the following statements describes a proton of an atom? A has a negative charge and is located in the nucleus. B has no charge and is located in the nucleus C has a positive charge and is located in outer energy levels.

What are reasons scientists use models? To study objects far away To study objects too large To study objects too small. To study objects easily found in a lab. To study events that take place over long periods of time.