Social Studies 3rd Period
ET
Read the passage
All over the country of China there is a...
Chemistry, 25.02.2021 21:50 lizzieee04
Social Studies 3rd Period
ET
Read the passage
All over the country of China there is a kind of black
stone existing in beds in the mountains, which they dig
out and burn like firewood. If you supply the fire with
them at night, and see that they are well kindled, you will
find them still alight in the morning, and they make such
fine fuel that no other is used throughout the country. It
is true that they have plenty of wood also, but they do not
burn it, because those stones burn better and cost less
The Travels of Marco Polo,
Rustichello da Pisa
Which conclusions does the passage best support?
Choose three correct answers,
China burned coal more than wood for heat.
Marco Polo wrote about a new energy source from
China
China had used up most of its wood by clearing
land for farming
China lacked coal resources that could be easily
mined and burned
Marco Polo helped spread technology and ideas
from China to Europe,
O
Dono
Pleas hel
Answers: 3
Chemistry, 22.06.2019 11:40
Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.
Answers: 3
Chemistry, 22.06.2019 21:30
Liquid ammonia is produced at high temperatures and under great pressure in a tank by passing a mixture of nitrogen gas and hydrogen gas over an iron catalyst. the reaction is represented by the following equation. n2(g) + 3h2(g) → 2nh3(g) changing all but one experimental condition will affect the amount of ammonia produced. that condition is a) increasing the concentration of both reactants b) changing the temperature within the tank c) decreasing the pressure within the tank. d) increasing only the amount of nitrogen present.
Answers: 1
Chemistry, 22.06.2019 22:00
How many moles of no2 will form when 3.3 moles of cu are reacted with excess hno3?
Answers: 3
Arts, 08.02.2021 22:10
Mathematics, 08.02.2021 22:10
Chemistry, 08.02.2021 22:10
Business, 08.02.2021 22:10
Mathematics, 08.02.2021 22:10
Arts, 08.02.2021 22:10
English, 08.02.2021 22:10
Chemistry, 08.02.2021 22:10
Mathematics, 08.02.2021 22:10
Mathematics, 08.02.2021 22:10
Mathematics, 08.02.2021 22:10
Mathematics, 08.02.2021 22:10