Why do material scientists need to understand chemistry?

The organism shown is a free-living one that is anchored to the bottom of ponds and streams during one stage of its life cycle what is the common name for the group to which this organism belong

How many atoms are there in 5.70 mol of mg

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?