Explanation:
from definition of density we have
density=mass/volume
and density=55 mass=220g
volume=220/55
volume=4ml
or 4×10^-3l
Answer:
i think that it is C. both
Explanation:
Answer:
(2) Student A scored 15 points higher than student B
Explanation:
Because they said 15 points higher instead of their grades are better (The same thing 4 does.
The change concentration of the product of a reaction over time is best shown by line graph.
You use the vertical axis (normally y-axis) to show the concentration of the product and the horizontal axis (normally x-axis) to show the time.
In that way the several points may show a tendency that you can show as a line, and the slope of the line is the change of concentration divided by the time.
Answer: The Answer Is D, He described light as little packets called photons.
Explanation: