Im pretty sure it would be a total of 13
Answer:
7.5 × 10¹⁵ Hz
Explanation:
Given data
- Wavelength of the radio waves (λ): 40 nm = 40 × 10⁻⁹ m = 4.0 × 10⁻⁸ m
- Frequency of the radio waves (ν): ?
- Speed of light (c): 3.00 × 10⁸ m/s
We can determine the frequency of the radio waves using the following expression.
c = λ × ν
ν = c/λ
ν = (3.00 × 10⁸ m/s)/4.0 × 10⁻⁸ m
ν = 7.5 × 10¹⁵ s⁻¹ = 7.5 × 10¹⁵ Hz
A control variable<span> is the one element that is not changed throughout an experiment, because its unchanging state allows the relationship between the other </span>variables<span> being tested to be better understood.</span>
The plant will grow less than 5 centimeters because it is a seedless, non-vascular plant. The correct option is B.
<h3>What are moss plants?</h3>
Moss plants are those plants that do contain seeds or flowering plants. They are non-vascular plants, and they maintain the moisture of the soils. They are very small plants.
Moss plants are small plants that grow in moist and humid conditions. They do not need so much sunlight. They will grow less than 5 centimeters and wet conditions.
Thus, the correct option is B. less than 5 centimeters because it is a non-vascular plant.
To learn more about moss plants, refer to the link:
brainly.com/question/3329215
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The property makes the materials used in fiber optic cables is:
C. High density
<h3>Fiber optic cables:</h3>
They transfer data signals in the form of light and travel hundreds of miles significantly faster than those used in traditional electrical cables. Fiber is immune to electrical interference. There is no cross - talk between signals in different cables and no pickup of environmental noise. Information traveling inside the optical fiber is even immune to electromagnetic pulses generated by nuclear devices.
Thus, correct option is C.
Find more information about Fiber optic cables here:
brainly.com/question/116766
