<span>The astronaut then measures the abundance of magnesium on the new planet, obtaining the following results:
Isotope Abundance (%) Mass (amu)
24Mg 78.99 23.99
25Mg 10.00 24.99
26Mg 11.01 25.98
The atomic mass of magnesium for this planet = </span><span>24.31 amu</span>
Option C. Organisms were probably more complex during past eras.
Answer:
Explanation:
its D brain list pweaseee
Ответ:
Огонь. Образуется, когда вещество подвергается быстрому окислению с участием тепла и света.
Answer:
Thermal death time.
Explanation:
Thermal death time may be defined as the time taken to kill the bacteria. The thermal death time is mainly used for food canning, cosmetics and pharmaceuticals.
The thermal death time indicates the time required to kill all the microbes at a given temperature and within a given sample. This can be calculated by either graphical method by mathematical formula.
Thus, the correct answer is option (3).