The disadvantages of hydroelectric energy would be the disruption of habitats, flooding, lack of sites and that sites may stop producing energy. <span>The most common type of </span>hydroelectric power<span> plant uses a dam on a river to store water in a reservoir. Water released from the reservoir flows through a turbine, spinning it, which in turn activates a generator to produce electricity.</span>
D. a new substance is formed. if it is chemical change then it is actually changing to something new. In this case a new substance is formed. It is a completely different substance from what you started out with.
Answer: Hello, Its number 1 Object #1 is an asteroid, and Object #2 is a moon.
Explanation: Its number one because a asteroid is a rock and a moon is made up of rock and orbits a planet witch is Earth
Answer: your answer for number 1 is decade millennium or century
Your answer for number 2 is a d or b .
Hope this helps.
Explanation: