<span>Heavy metals like mercury enter waterways by industrial dumping and poor regulatioin of effluent, and they also enter soil through a similar manner, in which waste is disposed of imporperly. Another source of heavy metals are the gases leaving industry carrying these metals. The metals fall as a solid on to soil and water ways. Therefore, the answer is D.</span>
Answer:
An ion with 11 protons, 11 neutrons, and 10 electrons would have a charge of 1+, also expressed as a charge of positive one or +1.
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Answer:
20.0/1 x 1mole/58.44=0.34
(Atomic mass of salt)
Been a minute since I've done this, but this is how I remember doing it, soo..hope this helps!
Answer:
Hey weirdo what's up?
So you got a question huh?
Lemme answer
As said the correct reading is 3.0grams
And the option A has 3.01 and 2.99 which are very mush precise and accurate to 3.0 gram don't you think?
So the answer is
Option ii the result of students A is both precise and accurate
Loye ya
Peace out