England, Wales, Scotland, and Northern Ireland.
Answer:
Explanation:
According to Dalton's theory, __________.
elements can consist of different types of atoms
atoms can be created or destroyed in chemical reactions
atoms are the smallest units of matter
compounds are comprised of one element
Answer:
True.
It is true that Europe and Asia are on the same land mass.
- <em>Land mass is a large body of land.</em>
<em>I hope this helped at all, sorry if it's incorrect.</em>
The U.S. has more than 87,000 dams greater than six feet high (and two million overall). While many dams continue to provide benefits such as flood control, irrigation, and water supply, for other dams the cost of maintenance or the negative effects on communities, fish, and tribes justifies their removal.
Dam owners and regulators decide whether to remove a dam by weighing many factors including: the cost of removal and the ability to replace any lost power generation against avoided long-term maintenance; safety concerns; benefits to endangered fish populations; increased recreational and commercial fishing; and restoration of cultural values of nearby tribes.
By 2020, roughly 70% of dams will be more than 50 years old, inviting us to reconsider the value to the public of long-term investments in this infrastructure.
Pretty much Saudi Arabia, Iran, Iraq, Syria.
