True when the boron control rods are lowered it slows the reaction
Answer:
francium
Explanation:
the atomic radius increases from top to bottom in a group, and decreases from left to right across a period.
Answer:
Boiling is 212* Freezing is 32*
Explanation:
It simple facts
Answer:
For large rivers the problem is not simply a matter of deduction of consumptive use from runoff: it is more complex and the complexity is related to the changes in .
Explanation: