Answer:
A link is a fastening unit that attaches two parts of an object together
Different types of links have different characteristics
Answer true
Explanation:becoz it's true
As you mentioned the question in chemistry so it may be a concentration unit I.e mass per volume.
(SOLUTION)
Mass/volume = total mass/ total volume
Now:
Total mass= 42.95 g
Total volume =351.8mL
Put these values in above equation;
Mass/volume = 42.95/351
“”. = 0.122 g/mL
TRUE
Nitrogen is essential to life on Earth. It is a component of all proteins, and it can be found in all living systems
Im almost 100% sure the answer is the first one