The began with the simplest of technologies such as pointed digging stick to break up the soil. These processes really took off when people harnessed animals to pull a plow, which was an even more efficient tool for the same task. With this new technology, one family could grow enough crops not only to feed themselves but also to feed others.

Examine the air pressure map. which type of line is shown on the map?

In cattle a single gene with two alleles determines fur color the fur can be red white or roan roan fur has both red and white hair which of the following statements is true a the allele for roan fur color is dominant over red and white fur color b the allele for red fur color is dominant over white and roan fur color c the roan and white alleles are expressed independently of the other d the red and white alleles are expressed independently of each other

Where does the citric acid cycle take place in eukaryotic cellular respiration?