Which of the following is not a disadvantage of using wind power?
a.
turbines are expensive.
b.
birds often fly into fan blades.
c.
energy production decreases at night.
d.
turbines are only effective in specific areas.

In which horizon of soil profile is prevent material usually found

Look at the diagram showing the different wavelengths in sunlight. which statement describes electromagnetic waves with wavelengths greater than 700 nanometers? they take the form of heat. they can cause skin cancer and sunburn. they are some of the shortest waves. they can be seen by human eyes as visible light.

What are the 28 countries in the eu?