A student is investigating thermal energy transfer.
The student places two copper blocks, Block 1 at
40°C and the Block 2 at 20°C, next to each other
so they make contact. They are allowed to sit in
an isolated system until energy transfer has
completed. Which picture shows the final
temperatures of the blocks?
50
20
30
30
70
70
20
50
Answers: 2
Biology, 21.06.2019 19:00
One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.
Answers: 3
Biology, 21.06.2019 23:30
Complete the sentences by matching the names of trees to the appropriate blanks. to do this, drag the names on the left into the appropriate blanks in the sentences on the right. match the words in the left column to the appropriate blanks in the sentences on the right. terms may be used more than once. make certain you have filled every blank with a term before clicking submit. 1. deciduous trees lose their leaves seasonally and include trees such as maple and elm. 2. conifer leaves are generally thin and needle-like, while seeds are contained in cones. conifers include cedar and pine. 3. evergreens are plants that maintain their leaves in all seasons and include trees such as cedar, elm, and pine. 4. hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as maple, , and cedar. elm returned you filled in 2 of 10 blanks incorrectly. mango trees are tropical broad leaf plants that maintain their leaves all year long. no credit lost. try again.
Answers: 2
Biology, 22.06.2019 02:00
Which of the following can be reduced by the use of renewable energy sources? a. social costs b. economic costs c. environmental costs d. all of the above select the best answer from the choices provided a b c d
Answers: 1
A student is investigating thermal energy transfer.
The student places two copper blocks, Block 1...
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