能够利用光能或化学能将_________转变为____,满足自身对营养物质的需要的微生物属于生产者。
无机物 储能有机物
. His carrying a small net was in the that the snakes would bite again.
A.regulation
B.exception
C.association
D.expectation
将80℃时的硝酸钾饱和溶液降温到20℃时,下列说法不正确的是( )
A.溶液的溶质质量分数减小
B.溶液中溶质的溶解度减小
C.溶液的质量不变
D.溶液仍是饱和溶液