(a) 
The energy of a photon is given by:
where
is the Planck constant
is the speed of light
is the wavelength
For the microwave photon,
So the energy is
And converting into electronvolts,
(b) 
For the energy of the photon, we can use the same formula:
For the visible light photon,
So the energy is
And converting into electronvolts,
(c) 
For the energy of the photon, we can use the same formula:
For the x-ray photon,
So the energy is
And converting into electronvolts,
Answer:
“We have a brain for one reason and one reason only, and that's to produce adaptable and complex movements,” stated Wolpert, Director of the Computational and Biological Learning Lab at the University of Cambridge. ... The evidence for this is in how well we've learned to mimic our movements using computers and robots.
Answer:
It is false, many fossils have bones and fur (etc) in them
The type of heat that the Sun emits is called UV (Ultra Violet) rays. This is a natural type of heat, but it can also be dangerous if you expose yourself to too much UV heat, causing "sunburns", or even skin cancer.
Answer:
The strength of the gravitational force between two objects depends on two factors, mass and distance. the force of gravity the masses exert on each other. If one of the masses is doubled, the force of gravity between the objects is doubled. increases, the force of gravity decreases
