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zhuklara [117]
3 years ago
13

Tadpoles raised in water with atrazine levels of 0.1 ppb should produce a higher percentage of male frogs with gonadal abnormali

ties than those raised in pure water. This statement is an example of:
a. a question leading to an hypothesis
b. an hypothesis
c. a testable prediction leading to design of an experiment
d. data from an experiment
e. an interpretation of data
Engineering
1 answer:
Kobotan [32]3 years ago
8 0

Answer:

correct option is c. a testable prediction leading to design of an experiment

Explanation:

The results of raising tadpoles were estimated to be water with an atrazine level of 0.1 ppb compared to those grown in pure water. So, this is not the question. If this assumption can now be tested, an experiment can be made in which a certain number of tadpoles can be raised in pure water and the same number of tadpoles can be raised in water with a 0.1ppb atrazine level can. The difference between the two populations can be estimated or compared.

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schepotkina [342]

Both are true. Tech A claims that a vacuum gauge can be used to locate tiny vacuum leaks. According to tech B, the catalytic converter is usually placed behind the muffler.

<h3>Which of the following links the catalytic converter to the exhaust manifold?</h3>

Tailpipe. The catalytic converter has cleaned up the exhaust gases, which are then sent out of the car and into the atmosphere via the tailpipe, the last link in the exhaust system.

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8 0
1 year ago
Air enters the turbine of a jet engine at a rate of 40 kg/s. For every kg of air, 1/40 of fuel enters. Combustion products are d
svetlana [45]

The answer & explanation for this question is given in the attachment below.

8 0
3 years ago
A motor whose pulley is 80mm in diameter is rotating at 30 revolutions per minute and is connected by a belt to another pulley o
Firdavs [7]

Answer:

169

Explanation:

ye men thats the answer

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3 years ago
A large retail organization previously divided work among its four employee-benefits staff into distinct specializations. One pe
Sever21 [200]

Answer:

Sense of ownership

Explanation:

Even thought the question seems incomplete or properly asked, but from the narrative thus far in the asked question, the answer suggests that the restructuring will most likely increase the employees sense of ownership which is the right answer to the question intended to ask.

Sense of ownership in employees basically is the mental feeling of having a stake in the shares or ownership of a company. A sense of ownership can not be delegated. It is what drives an employee to want to do more for a company leading to the greater success of the organisation.

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7 0
4 years ago
The end of the industrial robotic arm extends along the path (r = 2 + 2 cos (5t)) m. At the instant ( 0 = 0.8t ) radians. When t
EleoNora [17]

Answer:

  v = 8.95 rad / s,    a = 22.3 rad / s²

Explanation:

This is an exercise in kinematics, where we must use the definitions of velocity and acceleration

          v = dr / dt

       

we perform the derivative

          v = 0+ 2 (-sin 5t) 5

          v = -10 sin 5t

we calculate for t = 0.85 t,

remember angles are in radians

           v = -10 sin (5 0.85)

           v = 8.95 rad / s

acceleration is defined by

           a = dv / dt

             

we perform the derivatives

          a = -10 (cos 5t) 5

          a = - 50 cos 5t

we calculate for t = 0.85 s

          a = -50 are (5 0.85)

          a = 22.3 rad / s²

6 0
3 years ago
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