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g100num [7]
3 years ago
6

Sound travels slower in colder air. why does the speed of sound depend on air temperature?

Biology
1 answer:
insens350 [35]3 years ago
3 0
Like you might have studied. Heated hair expands while colder air contracts. So, the sound isn't able to move as efficiently in cold air than it would in warmer air.
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10. Explain why cell cycle regulators are critical to the health of an organism. What can happen if cell division is allowed to
Yanka [14]
In not really sure so
4 0
2 years ago
Which of the following is NOT a type of Devonian arthropod?
mamaluj [8]

Answer:

D) None of the above

Explanation:

Arthropods are characterized by the possession of an exoskeleton and a segmented body. This group includes insects, arachnids, myriapods (centipedes and millipeds), and crustaceans.

The Devonian period, belonging to the Paleozoic Era, occurred from around 415 million to 350 million years ago. During this era, arthropods such as centipedes, millipedes, and flightless insects were predominant and diversified throughout this period.

Therefore, as all of these arthropods were present in the Devonian period, the correct answer is <u>d) None of the above</u>.

4 0
3 years ago
The scientific name of an organism is made up of what two group names?
expeople1 [14]
Scientific names follow a specific set of rules. Scientists use a two-name system called a Binomial Naming System. Scientists name animals and plants using the system that describes the genus and species of the organism. The first word is the genus and the second is the species.
4 0
3 years ago
Read 2 more answers
It is estimated that 5.9% of Americans have diabetes. Suppose a medical lab uses a test for diabetes that is 98% accurate for pe
vagabundo [1.1K]

Answer:

P (actually that randomly selected person has diabetes given as given by the lab) = 0.7725

Explanation:

A probability is a number, between 0 and 1, expressing the precise likelihood of an event happening.

Probability (person actually has diabetes) = 5.9%

P(lab test says that they have diabetes) = 0.0764

P (actually that randomly selected person has diabetes given as given by the lab) = 0.7725

Workings shown in the figure below.

3 0
3 years ago
What is the remaining ratio of alleles if my total is 140 and 65.8% are red and 18.2% are blue?
7nadin3 [17]

My answer will be that the remaining ratio of alleles will be 16%, since this is the value that is required to have 100% of the alleles.

3 0
3 years ago
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