Answer:
Vitamin D
Explanation:
Without Vitamin D animals (humans included) will start to degrade and organs will shut down
Answer:
Double, acid, base, water, salt.
Explanation:
The general reaction of a neutralization is:
X(OH) + YH → H₂O + XY
If you see, the reaction is a <em>double replacement reaction </em>because the cation and the anion of the two reactants switch places, forming two new compounds or products.
Always, the reaction starts with an <em>acid </em>and a <em>base </em>and will produce <em>water </em>and a <em>salt. </em>
I hope it helps!
Iron is a chemical element with symbol Fe (from Latin: ferrum) and atomic number 26. It is a metal in the first transition series. It is by mass the most common element on Earth, forming much of Earth's outer and inner core.
So your answer is Iron
The answer should be D, it would be 3.4x10(9thpower) because there are nine zeros in 340,000,000.
