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Elena-2011 [213]
3 years ago
8

What characteristics of muscles help you determine the direction of the movement?

Biology
2 answers:
UNO [17]3 years ago
5 0
What connects a muscle and a bone is a Joint 
Flura [38]3 years ago
4 0
The relationship between the bone and muscle
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Which of the following is not recycled once it passes from producer to consumer to decomposer
ivanzaharov [21]

Answer: Energy is not recycled once it passes from producer to consumer to decomposer.

The energy flow in an ecosystem in the form of food from one organism to other is food chain. It comprises mainly of three types of organisms producers or autotrophs, consumers or heterotrophs and decomposers. The energy flow in food chain or food web is unidirectional from plants which are the primary producers to primary consumers or herbivores, then to secondary consumers or carnivores and finally to the decomposers. On its unidirectional flow the energy is lost in different form such as heat loss, decay, respiration etc. The energy passed from one level to another is not the same and gets lost in the process so when the energy is received from one tropic level to another it is always less than that received by the previous tropic level.


8 0
3 years ago
What is the speed of a car that travels a distance of 520 kilometers in 12 hours? 0.43 km/hr 0.023 km/hr 62.4 kmhr 43 km/hr
Komok [63]
The answer is, 43 km/hr . Speed is, \frac { Distance }{ Time }

So we will divide the given distance to the given time, so :

\frac { 520 }{ 12 } =43,33

5 0
3 years ago
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Which of these are characteristics of all animal cells? Check all that apply. They contain a nucleus. They are eukaryotic. They
Yuri [45]

Ans.

Animals are multicellular, eukaryotic organisms that belong to domain eukarya. They have cells with membrane-bound cell organelles, such as mitochondria, endoplasmic reticulum, nucleus, Golgi body, and lysosomes. In these organisms, genetic material is present inside the nucleus (known as true nucleus), which is surrounded by double-membrane system.

Thus, the correct options are:

-They contain a nucleus.

-They are eukaryotic.

-They contain membrane-bound organelles.

8 0
3 years ago
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A spectrum for a given element is unique for that element. why is that so?
astra-53 [7]
The correct answer is B.
The electrons deal with most of the spectrum emissions. Whilst mass is technically a factor, the more precise answer would be B.
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You have red hair<br><br> Jeans<br> Or<br> Genes??
Artemon [7]
The answer is genes and not jeans.  

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3 years ago
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