When heat<span> is added to a substance, the molecules and atoms vibrate faster. As atoms vibrate faster, the space between atoms increases. The </span>motion<span> and spacing of the </span>particles<span> determines the state of matter of the substance. The end result of increased molecular </span>motion<span> is that the object expands and takes up more space.</span>
Answer ;
A light year is the distance light travels in a year and an astronomical unit is the average distance between the earth and the sun.
hope this can help you
<span>Warm ocean currents cool as they flow along a coastline away from the equator because sand and minerals are transported by ocean currents away from the equator.
>What is transported is heat energy which is transferred in three ways--Conduction, convection and radiation.
</span>
Answer: One of the common types of fossils is permineralization. This occurs when the pores of the plant materials, bones, and shells are impregnated by mineral matter from the ground, lakes, or ocean.