Select the correct answer from the drop-down menu.

Comets travel in orbits around the sun. Some Comets take less than 200 years to orbit the sun. They are called short period Comets. Short period Comets are thought to originate in the kuiper belt, which is a belt of icy objects just beyond the orbit of the planet

A. Earth
B. Jupiter
C. Mercury
D. Neptune

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?