Air currents are caused by differences in temperature, which are created by

Residents of moldova are mainly a. russian b. ukrainian c. serbian d. romanian the answer is d. romanian

Which soil layers comprise the topsoil? o horizon a horizon b horizon c horizon

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.