The chemical change that involves breaking down substances using electricity is C. Electrolysis.
Answer:
The correct option is;
B. Increase by $4 billion
Explanation:
In Gross Domestic Product, (GDP) calculation based on the spending or expenditure approach, the spending components of the countries different economic groups are calculated
The formula for the GDP can be expressed as follows;
GDP = C + G + I + NX
Where;
C = Consumer spending or private sector consumption
G = Spending by the government
I = Economic investment
NX = Net export of goods by the economy.
The thermal energy will flow from the hotter object to the cooler object until their temperatures are equal i.e. until they reach equilibrium.
Answer:
D. equilibrium
C. Ar or Argon
<span>It is the most commonly used gas between thermal window panes. Argon has 34% lower thermal conductivity than air and is therefore more suitable to be used instead of air. It is also inert and does not react or causes any form of harm.</span>
I would say that descriptive investigations aren't repeatable because it means that you are only describing something - you ask certain question about something, but do not form a hypothesis at that point yet. So it would be a waste of time to simply ask the same questions over and over again with no hypothesis to prove, which is why these types of investigations cannot be repeated.