Carbon (C) and silicon (Si) are in group 4 of the periodic table. The atomic radius of
carbon is 77 pm and sulfur is 103 pm.
What is the circumference of each atom?

How far is the region from the equator or control climate

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

What is the wavelength of a wave with a velocity of 50 m/s and a frequency of 5hz a 250 m b 0.1 m c 10m d 0.01 m