Answer:
First we need to find the number of candles produced per minute
l20/2
60
And we multilly it with our original Question
30 x 60
1800
1800 can be produced in 30mins
Answer:
D
Explanation:
well, without the greenhouse gases the earth's temperature will drop drastically but too much of it will cause the earth's temperature to rise
Answer:
Index fossil that is also known as indicator fossil is used to determine the age of the layers of the rocks. It says that the new layer of sedimentary rocks lie over the old layer.
The deeper we go, the older the rocks we will find. Index fossil of animals that lived or survived only for a short period of time are very useful. An example of index fossil can be Ammonites that were found in Mesozoic era that was about 25-35 million years ago.
The second and fourth answer. :)
If the alcohol concentration in PEA agar was increased, it would inhibit both Gram - and Gram + bacteria by breaking down membrane absorbency barrier, tolerating influx of substances that are generally blocked and leakage of cellular potassium. High alcohol concentrations would lead to disruption or halting of DNA synthesis in both Gram + and Gram - bacteria
