100 points and brainliest ! why has improved communication been so important to economic growth?

a. he sale of telephones in the 1900s added enormous sums to the gdp

b. better access to information improves business efficiency.'

c. ships, trains, and airplanes each made it easier for businesses to thrive

d. americans love to talk with one another.

Humid continental climate is found in the interior of continents between the 30 and 60 degrees latitude, but usually above the 40 degree line.   40 degrees north of the equator means less direct sunlight and therefore less warmth.   this climate is mainly found in the northern hemisphere since there are no major landmasses in the southern hemisphere.  if you live in northern indiana, you know all about humid continental because that is the climate type you have!

Answertaurus is the highest in the sky;

Answer after wwii, communist countries in eastern europe formed the warsaw pack, a military alliance, and comecon, an economic alliance;

Answer light in color; silica-rich;