The answer is the 4 means that there are 4 H (hydrogen) atoms in one ammonia molecule. The 3, on the other hand, symbolizes that there are three (3) ammonia molecules. Therefore, cumulatively, there are 3 nitrogen molecules and 12 hydrogen atoms
You are correct it is the answer D.!
Photosynthesis removes CO2 from the atmosphere and replaces it with O2.
Answer:
one is made of silk and one is made from branches and anything to keep it together and for padding
Explanation:
the spider makes the webs out of silk and it traps anything that goes through it. the birds make the nests from branches and litter.
God made the universe but nobody knows how God really got here. If you are asking for a scientific point of view, several people believe the universe was created with a big bang.