Answer:
C- The core is made up of dense elements, such as iron and nickel.
Answer:
4.85 x 10⁻¹⁹J
Explanation:
Given parameters:
Wavelength = 410.1nm
Unknown:
The energy of the violet light = ?
Solution:
The energy of a wave can be derived using the expression below;
E =
h is the planck's constant
c is the speed of light
Insert the parameters and solve;
E =
= 4.85 x 10⁻¹⁹J
The sand on the beach cools down at night then the ocean is because the sand is on dry land.
A substance that donates electrons to form a covalent bond. So the answer is B