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frez [133]
3 years ago
9

I’m a machine, work output is less than work input because some energy is converted into thermal energy. True or false

Biology
2 answers:
Lady bird [3.3K]3 years ago
7 0
True because thermal energy is mostly always used for a machine
Mumz [18]3 years ago
3 0

I believe the answer tis true. I think it's a solar panel.

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Elias conducted an experiment about the effects of exercise on the heart rate of teenagers. Before morning basketball practice,
padilas [110]

The <u><em>correct answer</em></u> is:

He needs to select a more representative sample.

Explanation:

Choosing students from the basketball team for the sample he uses on a study of heart rates and exercise will be a biased sample.  This is because students on the basketball team are potentially healthier than other students, which means that exercise will not have a large an effect on their heart rate as it would if they were not as healthy and not as physically fit.

In order to reduce the amount of bias, he should choose students from different groups throughout the school.

8 0
3 years ago
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The overall three-dimensional shape of a single polypeptide is called the.
Virty [35]
The overall three-dimensional structure of a polypeptide is called its tertiary structure. The tertiary structure is primarily due to interactions between the R groups of the amino acids that make up the protein.
4 0
2 years ago
"during meiosis, errors occur during chromosome replication. which term describes the rearranging of genetic material between no
Irina18 [472]
The term that describes the rearranging of genetic material between non homologous chromosomes without a net loss or gain of genetic material is Translocation.
Chromosomes translocation is an abnormality that results from the rearrangement of parts between non homologous chromosomes.  A gene fusion may be created when the translocation joins two or else separated genes and is normally detected on karyotype of affected cells.
8 0
3 years ago
Organisms obtain the energy they need to grow develop &amp; reproduce from all of the following substances except
podryga [215]

D. Glucose they don't need it to survive

Explantion: they need liquid,water,and carbohydrates.


4 0
3 years ago
Jena is reading about factors that affect Florida's climate. One sentence reads: Most of Florida is less than 100 feet above sea
Marrrta [24]

<u>Answer:</u>

Jena is reading about the elevation.

<u>Explanation:</u>

  • Elevation is the altitude (height) above the sea level. The Florida being at the height of less than 100 feet is its elevation.
  • The major factor that affects the climate of that region is its elevation.as the elevation increases i.e. the height of the place from sea level increases the temperature of that place lowers.
  • For every 1 kilometer rise in elevation the temperature decreases by 6.5 degree Celsius. Hence, Jena is concerned about the elevation.
4 0
2 years ago
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