The ability of material to decompose by microorganisms.

The absence of oxygen in lighting a candle will cause the candle’sflame to _____.

Why are there many craters on the moon?

A material that is negatively charged has an excess of ______.

The scientific study of light and how it interacts with differentobjects is called_______.

The food-making processes in green plants is called

The Earth travelsaround the Sun once each year. The Earth spins on its axis once each

When sugar isdissolved in water, the water is called the

 Plants need carbon dioxide, water, light and chlorophyll in order to make starch by photosynthesis. Carbon dioxide enters plants through holes in the leaves called

The energy that contains in fuel is an example of

What do you call the distance covered per unit of time?

An electric current flow in ____.

If fixed pulley and movable pulley is combined, what do you call this kind of pulley?

Which of the following below is NOT an agent of Mechanical Weathering?

 It refers to the planting on mountainsidesfollowing the contours or curves of the land.

Empty boxes andcardboards can be reused as file storage and organizers.

The organisms thateat plants only are called?

What is the speed of an athlete whoruns 200 meters in 40 seconds?

 Which of thesefollowing plants undergoes an alteration of generation?

Which Star isnearest to the Earth?