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77julia77 [94]
2 years ago
5

Sherri has recently been injured. She is having a problem using her left hand and would like to use a stylus to move her mouse a

round the screen on her laptop computer. What device can Sherri add to her system to allow a non-touch screen laptop to use a stylus to manipulate the screen?
Biology
1 answer:
aivan3 [116]2 years ago
8 0

Answer:

Answer is a Digitizer.

Explanation:

A digitizer is a transparent sheet , which is a middle layer , on top of the screen. An input and hardware device , which has the ability of converting analog signals to digital signals. This means that, It converts ones actions into signals which the computer understands.

It is being protected by a protective glass from the top.

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Which of the following correctly shows how energy flows in an ecosystem? *
Nataliya [291]

Answer:

The correct answer is - sun - producer - the consumer – decomposer.

Explanation:

Sun is the ultimate source of the energy on the earth and is responsible for all the energy that is present or moves between various organisms in an ecosystem.

Sun provides energy in the form of light energy which is converted by the producers by photosynthesis into food and when consumers eat producers for food and energy 10 percent of energy passes from the producers to the consumers and the rest 90% lost during life processes. At the end of the chain, decomposers get energy from the dead matter of the consumers.

8 0
2 years ago
An elderly client newly diagnosed with systolic hypertension asks her health care provider why this happens. which response is m
Roman55 [17]
The response that is most accurate is that; with age, your arteries lose their elasticity and are replaced with collagen, which makes your arteries stiffer. Systolic hypertension or pressure is an elevated systolic blood pressure. If the systolic blood pressure is elevated (above 140) with a normal (<90) diastolic blood pressure, it is called the isolated systolic hypertension. 
3 0
2 years ago
The _____ implies that each individual is genetically programmed to carry a particular amount of body weight.
Vlada [557]
The "set-point theory" implies that each individual is genetically programmed to carry a particular amount of body weight.

The set point is the weight range in which your specific body is programmed to work. The set point theory trusts that a man's body will battle to keep up that specific weight range.


6 0
3 years ago
He light colored rock pocket mice in New Mexico blend in with the sandy soil of the area, but on darker lava flow, the light col
fiasKO [112]

<u>Answer</u>: option B they have a random gene mutation that affects their fur colour.

<u>Explanation</u> :-

  • <em>Variation</em> is the phenomena which occurs in all populations.
  • These variations result in slight differences in the phenotypes of individuals .
  • These variations only arise due to <em>random mutations </em>that arise in the individuals’ genome and then can be inherited by their offspring.
  • There is always a probability of one particular trait to make the individuals survive better in the environment as compared to other trait.
  • The individuals having the trait that helps them to survive better in the environment tend to survive more and leave more progeny. This is termed as <em>survival of the fittest</em>.
  • Thus, according to the question it can be inferred that the dark fur colour arose due to a <em>random mutation </em>since it is the only source of variation. Since, in the given environmental conditions the mice having the dark fur colour were less susceptible to the predators they are better fitted to survive.
  • The dark brown fur coat mice, survive better, leave more progeny and hence, increase their population with time. However, the orginal source of origin of this trait was a random mutation. Had this mutation not occured, the dark coloured fur mice would not have been there.

So, a <em>random gene mutation affecting the fur colour made the dark coloured mice first appear in the population.</em>

6 0
3 years ago
Read 2 more answers
Which of these correctly shows ecological succession in a lava field?
larisa [96]

The ecological succession that occurs in a lava field is as follows:

  • Moss and lichen arrive by birds to barren lava field.
  • Soil is created.
  • Fountain grass grows.
  • Monkeypod trees grow.

<h3>What is ecological succession?</h3>

Ecological succession refers to the series of changes that occur in a habitat gradually with new species replacing existing species or a barren habitat until the environment becomes more complex.

A lava field is a barren field where there are no species

The ecological succession that occurs in a lava field is as follows:

Moss and lichen arrive by birds to barren lava field; Soil is created; Fountain grass grows; Monkeypod trees grow.

Learn more about ecological succession at: brainly.com/question/18240055

7 0
2 years ago
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