20 pts and brainlest match the astronomical object to its description. \ comet asteroid uranus venus a) rocky inner planet with a dense layer of clouds b) irregular rocks that orbit the sun c) irregular object of ice and dust that vaporizes closer to the sun d) gas giant that orbits the sun in a reclining position

The correctly matched answers are:

Comet : C) Irregular object of ice and dust that vaporizes closer to the sun. Example, the Hailey's comet. It has a long tail because of the gaseous vapor getting lit by the sunlight.

Asteroid : B) Irregular rocks that orbit the sun. Example, ceres that orbits in the asteroid belt present between the orbits of Mars and Jupiter.

Uranus : D) Gas giant that orbits the sun in a reclining position.

Venus : A) Rocky inner planet with a dense layer of clouds.

answer; i believe the correct answer is ( proteins );

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.