Physics, 09.02.2021 01:00 caryscarpenter9118
A scientist is studying the effects of sunlight on rose bushes. Which
statement is a hypothesis that he can test by performing a scientific
investigation?
A. Rose bushes look more attractive on sunny days than on cloudy
days.
B. If roses are cut from the bush, people will think they smell better
than before they were cut.
C. If rose bushes receive more hours of sunlight each day, they will
grow taller
D. Roses are prettier than other kinds of flowers.
Answers: 3
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The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane
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Sobre transformações cíclicas, são feitas algumas afirmações, determine quais estão corretas. i – a variação de energia interna em uma transformação cíclica é nula; ii – o trabalho, em uma transformação cíclica, é sempre positivo; iii – ao completar um ciclo, o gás tem a mesma temperatura com a qual começou a transformação; iv – uma transformação cíclica é, obrigatoriamente, composta de transformações conhecidas, como adiabática, isocórica, etc: a) i e iii b) i e ii c) ii e iii d) i e iv e) iii e iv
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Physics, 22.06.2019 19:00
According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?
Answers: 3
A scientist is studying the effects of sunlight on rose bushes. Which
statement is a hypothesis tha...
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