What was the most deadly challenge Native Americans faced as a result of the encounter with Europeans?
a. mounted men
b. guns and armor
c. microbes
d. invasive animals and plants
c. microbes
You might also like to view...
When you want information about a piping system, including service, pressure rating, temperature limit, maximum pressure, and the class of the system, you should look at the _____.
a. line number b. isometric drawing c. piping symbols d. specifications book
When planning a vegetable garden, the soil should have a pH range of _____
A) 5.3 to 7.0 B) 6.3 to 7.3 C) 6.3 to 7.0 D) 6.0 to 7.3
?What characteristic of some fluxes can help to push the weld penetration deeper?
A. ?The larger mass of some bigger electrode flux coverings add a great deal of weight to the slag covering that force the weld penetration deeper. B. ?Some fluxes act as a thermal blanket holding the heat into the weld which lets the weld penetrate deeper. C. ?The formation of a crucible at the end of the electrode that acts as a combustion chamber. D. ?The only way to get deeper weld penetration is to turn the welder's amperage to the maximum.
The only location where the refrigerant vapor is superheated is in the evaporator.
Answer the following statement true (T) or false (F)