Compare geometric boundaries with
antecedent boundaries.

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

What is one early technological advance that shaped culture? a the use of fire b the discovery of arable land c family units. d migration

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.