Answer:
d. irregular intervals. During recessions investment spending falls relatively more than consumption spending.
Explanation:
A recession occurs when the economy suffers a marked slippage in the economic activity. When there are two or more consecutive negative growth rate in the GDP qualifies a recession in economy by many economists.
Recession occurs at irregular intervals. Recession sees a decline in the gross domestic product of a region or a country or the decline in the investment. There is a decrease in the business revenues and sales. during recession unemployment rate increases thus increasing the consumption spending while it deceases the investment spending.
Hence the correct option is (d).
Answer:
Cement factories are located very close to the source of limestone and it is a low value commodity as compared to rock salt which is high value commodity ( Raw material such as copper and coffee) and is supplied all over the country.Therefore,the supply of limestone is likely to be cheaper than that of rock salt.
Explanation:
Hey there,
Your question states: <span>How did the calculation of pi help mathematicians during the Gupta period?
My best guess that I would give would be the option B. </span><span>
The value of pi helped them explain that Earth is a rotating sphere. Because they used the </span>

to help them, just as we use that in math.
Hope this helps.
~Jurgen