A biomedical company uses a certain type of bacteria to manufacture a new medicine. A researcher for the company studies how temperature affects the rate at which the bacteria reproduce. He records his results in a graph. mc170-1

Currently, the company grows the bacteria in a lab maintained at 18 °C. If the company wants to grow the bacteria as quickly as possible, which recommendation should the researcher make?

The current lab temperature is ideal for growing the bacteria.

The lab temperature should be increased to between 20 °C and 30 °C.

The lab temperature should be increased to between 30 °C and 40 °C.

The lab temperature should be increased to between 40 °C and 50 °C.
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2b2t

explanation:

2b2t

i believe the answer is true.

considering the question as per the attachment

here we can see that the radon nuclide has 222 as the atomic mass number and 86 as the atomic number.

when it undergoes nuclear fission it gives polonium which has atomic mass number as 218 and atomic number will be 84 along with a helium nucleus which has 4 atomic mass number and 2 as its atomic number.

222 = 218 + 4 (atomic mass number)

86 = ? + 2; therefore ? = 86-2 = 84.

the atomic mass number of polonium will be 84.

answer: atomic mass was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

explanation:

originally atomic mass was used to arrange elements on the periodic table from left to right in a row. each column then shows similar properties of elements of a group.

in modern periodic table, the atoms are arranged in increasing atomic number. as atomic number represents the number of protons in an atom which is unique for every atom.