Answer:
cosmic radiation
Explanation:
Radiation from space is called cosmic radiation, which is constantly hitting the Earth
Liquid solution - oceans
gaseous solution - air
compound - water
colloid - clouds
element - oxygen
Something that scientists study that is cold could be liquid nitrogen!
Answer:
the right answer is : d
Explanation:
Because temperature is a cinetic factor.
Answer:
The columns of the table represent groups, or families, of elements. The elements in a group often look and behave similarly, because they have the same number of electrons in their outermost shell