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Vikentia [17]
3 years ago
8

Why is density a derived unit?

Biology
2 answers:
Triss [41]3 years ago
4 0
Density is a derived unit because it's not reported as a pure unit. (A pure unit would be something like kilograms or meters.) In contrast, the units for density are kg/m3. Density is the ratio of mass to volume; mass has the unit 'kilograms' (kg) and the unit for volume is cubic meters (m3).

Density is an intensive property, which means the amount of the material is irrelevant. The density of a substance is constant.

dalvyx [7]3 years ago
3 0

if one of the 7 exponents has value 1 and all others exponents are 0, then the unit being expressed is a base unit; otherwise it is a derived unit. Thus, for density we have: ... Density is mass divided by volume. Volume is already derived from length (measured in cubic meters - meter*meter*meter).

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Two frog populations (same species) living in two neighboring lakes sing slightly different courtship songs. increased irrigatio
Contact [7]

The best answers for this question would be:

 

 The songs will become more similar to each other.

 

<span>The frogs have most likely sync their songs with each other, since the female cannot determine the range of the song of the male frog given the environment that they are living in.</span>

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3 years ago
A segment of RNA reads A U G U C C A C A. Use the codon table to determine what sequence of amino acids for the segment should b
lozanna [386]

Answer:

Met-ser-thr

Explanation:

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3 0
3 years ago
1.
Hitman42 [59]

Steps to improve food safety in commercial food preparation units like restaurants .

  1. Wash and sanitize hands to begin food preparation
  2. Clean & sanitize the prep sink or the 3-comparment sink
  3. Remove smallwares & dishes from the preparation area
  4. Set up equipment for food preparation

Explanation:

Food contamination is the major source for foodborne infections and illnesses

Ensuring safe food preparation, cooking and storage practices are prime importance for any commercial food preparation unit like restaurants, hotels, etc

The standardized procedures while cleaning, separating, cooking and storing food should be followed.

Cleaning processes first include personal cleaning as well as cleaning the preparation.

Personal cleaning includes washing and sanitizing the hands periodically before, during and after food preparation and after any other activities like using the toilet, baby dressing, touching garbage etc

Cleaning the preparation area including the 3-compartmental sink for washing, rinsing and the sanitizing

Separating the utensils as per cooking methods and dishes like using separate cutting knives or boards for raw and cooked meat, poultry or fish products

Cooking the food at a right temperature depending upon the type of cooking

Storing or chilling processes appropriately according to the food type under appropriate temperature should be followed.

5 0
3 years ago
There are no fossils of mammals in the oldest layers of rock. What
mrs_skeptik [129]

Answer:

They were not around at that time or either from it being so hot they just disappeared/melted.

Explanation:

3 0
3 years ago
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Did the enzymes from Claire’s small intestine break down the protein at a low, normal, or high rate? Same for lipids and carbohy
harina [27]

Given the information available to us through the image provided, we can see that the rate at which Claire's small intestine breaks down the protein, lipids, and carbohydrates is lower than that of a healthy dog.

<h3>What does the graph tell us?</h3>
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  • The red line shows us a healthy dog.
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Therefore, given that the graphs represent claire's ability to break down these substances using a yellow line that appears to be lower than the red line representing a healthy dog through each substance, we can confirm that Claire breaks them down at reduced rates.

To learn more about lipids visit:

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6 0
2 years ago
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