Answer:
If it's in the table, it's an element! Atoms can join together - they form bonds together - to make MOLECULES. For example, two atoms of hydrogen hook together to form a molecule of hydrogen, H2 for short.
It would have been a little helpful if you added a picture but I hope this is helpful.Thank you!
Explanation:
Organize the lengths below from shortest to longest.
28 dm ,629,000 mm ,1.2 km, 30,277 cm
To answer this, all values should be converted in the same
unit just like in km
28 dm = 0.0028 km
629,000 mm = 0.629 km
1.2 km
30,277 cm = 0.30277 km
So the order is 28 dm, 30,277 cm , 629,000 mm and 1.2 km
B. DNA replication is the most similar to PCR