Answer:
model of mountain formation
Explanation:
The formation of mountains takes millions of years. This formation of mountains involves so much processes that do not occur quickly.
Hence, a model that can adequately show something that happens very slowly is the model for the formation of mountains.
Number of neutrons = mass number - atomic number = 40 - 19 = 21 answer
How many inches are in 450 cm?
0.393701 in = 1 cm
0.393701 × 450 = <span>177.16545
450 cm = </span><span>177.16545 in</span>
