Thermal Change
120
100
80
-A
60
Temmperature (Celsius)
40
20
0
1 2 3 4 5 6
7
Two objects that are at different temperatures are added to a container of water and then the container is closed. The temperature
is taken at one-minute intervals. The graph shows the change in temperature for the objects over the next 7 minutes. Which
statement is correct?
A)
The objects are different in mass.
B)
The water has more mass than both objects.
C)
The water started out lower than 40°C
Eliminate
D)
The water released energy into the objects.
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answered: Guest
The speed of sound: sound travels at different speeds depending on what it istraveling through. of the three mediums (gas, liquid, and solid) sound waves travel the slowest through gases, faster through liquids, and fastest through solids.
Which of the following is one of the four conditions necessary for natural selection to occur in a population? fewer organisms are born than the habitat can support mutation does not occur organisms have identical characteristics variation is inherited
2polhiswhere is the energy in a glucose molecule stored? ooa. inside the carbon atomsb. inside the protonsc. in the bonds between the atomsood. inside the hydrogen atoms