Which crop accounted for over half
of the u. s. exports in the middle 1800s?
a. corn
b. rice
c. cotton

Compounds which are found naturally in the earth are called: a. ores b. composites c. rocks d.minerals

Why is oman trying to develop its tourism and manufacturing sectors?

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.