Answer:
Blank 1 : Methane
Blank 2: Carbon dioxide
Explanation:
A rotting biomass would emit a huge proportion of methane. Microbes work on waste products and releases methane and other gases. Methane is the primary biogas obtained from a decaying biomass. Methane can be used as a source of fuel for both industrial and domestic purposes.
Burning of biomass would produce carbon dioxide to a large extent. Methane produced would fuel the burning process so as to release significant amount of carbon dioxide.
Answer
Car used 2.31 liters of fuel to travel 100 km
Explanation:
We have given distance s = 100 km
We know that 1 mile = 1.609 km
So 100 km = 
Fuel efficiency of car means mileage of car = 26.9 MPG ( mile per gallon )
We have to find the how many liters of fuel used in going 100 km
So amount of fuel used 
= 
So car used 2.31 liters of fuel to travel 100 km
Answer:t
True, one the earliest human civilizations in the the history settled along the Indus Rives and as a matter of fact, it was called the Indus Valley Civilization and today it is know as India. The indus valley civilization very advanced in technology. They have many things that we recently invented or developed
The correct answers are:
A. China imports oil and natural gas because it cannot meet demands with its own supplies;
China is country that has an ever growing economy, and that means that the demand for natural resources is also growing constantly. Because China doesn't have enough oil and natural gas, it imports huge quantities of it, mainly from Russia, in order to satisfy the demand.
C. Taiwan imports wood products because many of its forests are protected lands;
Taiwan is a relatively small island. It has a very large population though, which over the years meant that big portion of the forests were destroyed, and the wood reserves became very limited. Also, the forests were all protected sot hat they are not destroyed. Because of this, Taiwan is importing wood products on a large scale from the other countries, mostly from the nations of Southeast Asia.
