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ртита оргтоимости от
why did greek city-states start colonies around
the mediterranean? select all that apply.
to gain access to resources
b. to spread their religion to others
c. they needed space for their populations
d. to gain access to new, better trade routes
e. they needed more slave for labor
den

the perimeter of a triangle is 69 cm. side a is 5 cm shorter than side b. side c is twice as long as side a. find the length of each side. i need to know how to do it in 2 equations.  

equations:

a = b-5

c = 2a

a + b + c = 69

incident infrared radiation is blocked. visible and ultraviolet radiation heat   earth.

earth radiates infrared radiation. infrared radiation is blocked and heats earth. visible and shortwave radiation heat earth.

earth radiates longwave radiation

longwave radiation is reflected downward longwave radiation heats earth