Объяснение:
1 правильно
2 is watching
3 didn't hear, was listening
4 holds
5 is the race starting (не уверена)
6 did it happen
<span>1) Scientists have produced (pres perf - </span><span>produce) a stable chemical compound to store the energy.
2) The support of some boilers is (pres simp - be) on bottom.
3) First pressure stage of the impulse turbine can deal (pres simp - can) </span><span> deal (unfinitive</span><span><span><span> - deal </span>) </span>with a large energy drop.
</span>
1.
2.earthquake
3.tsunami
4.inundation
5.lava
6.
7.eruption
8.
9.flood
помогла,чем смогла..
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