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goblinko [34]
3 years ago
14

Which of these is one way that mechanical waves differ from electromagnetic waves?

Biology
2 answers:
Nina [5.8K]3 years ago
8 0

Mechanical waves transmit matter and electromagnetic waves transmit energy.

ELEN [110]3 years ago
5 0
Mechanical waves require a medium whilst electromagnetic waves do not.
Think about it: you can't hear in space!
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What is included in the body’s nonspecific defense against invading pathogens?
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The body's nonspecific defiance against invading pathogens is known as innate immunity and includes the following:

mechanical barriers and surface secretions                                             

1. The intact skin and mucous membranes of the body. These provide a high degree of protection against pathogens.

2. The sebaceous secretions and sweat of the skin contain bactericidal and fungicidal fatty acids that can kill bacteria and fungi.

3. Normal bacterial flora of the skin may produce various antimicrobial substances such as bacteriocines and acids.

Humoral defence mechanisms

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4 years ago
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Punnet square worksheet!<br><br> help please.
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Answer:

long are W which means that they are stronger than the w trait of short.  

1)the big word means that it will have two W traits, (or W,W), and heterozygous will mean that the seal will have one W and one w, (or W, w).  

your Punnett Square will look like this W     W  which means that 100% of  

these       W W W  W W  

seals        w  W w  W w  

will have long.  

2)Heterozygous and a short will look like this  

           w  W w  w w  

           w   w w  w w  

which means that only 25% will have long and 75% will have short, this is due to how W traits will almost always beat recessive traits.  

3)Now one is, (H) and two is, (h). Two Hybrid means that they are Heterozygous. This will make your Punnett Square look like this                              

       H    h  

 H  H H  H h  

 h   H h  h h  

the possible Genotypes willbe H H, H h, h h.  

Phenotypes, looktraits willbe One,and Two.  

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Answer: C. Light energy
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Which of these elements is a noble gas? A. hydrogen (H) B. barium (Ba) C. nitrogen (N) D. krypton (Kr) E. bromine (B
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Answer:

the answer is krypton

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