Answer:
Gold
Explanation:
I think its gold since its a pure element, hope it helped
I'm like 99% sure its one week
Answer:
C
Explanation:
For electromagnetic waves frequency X wavelength = speed of light
f * 2.2 x 10^-11 = 3 x 10^8 m/s
f = 3 x 10^8 / 2.2 x 10^-11
= 1.36 x 10 ^19
= 1.4 x 10^19 with two significant digits
D) 500 meters
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:)
Answer:
Both i belive Health class