Rebecca tells Tom that he is singing “off pitch.” Rebecca is referring to Frequency of sound.
Frequency is measured as the number of wave cycles that occur in one second. It is defined as the speed of the vibration and this further determines the pitch of the sound. This is usually useful for musical sounds where there is a strong waveform.
Answer:
False, since it takes more than one million years
Explanation:
Speeds can be faster for small-scale convection occurring in low-viscosity regions beneath the lithosphere, and slower in the lowermost mantle where viscosities are larger. A single shallow convection cycle takes on the order of 50 million years, though deeper convection can be closer to 200 million years.
The three adaptations that angiosperms have is attractive aspects of flowers, such as aroma and colors, are artifices created by angiosperms.
<h3>What are the adaptations of angiosperms?</h3>
There are also fruits with adaptations that allow them to be dispersed by the wind; others that have structures that make them able to float on water, being carried by currents over long distances; or that allow them to stick to the fur of animals and be moved to new regions.
In this case, baspects of flowers, such as aroma and colors, are artifices created by angiosperms to attract pollinating animals, such as bats, bees, birds, etc. These adaptations are a major survival advantage over other plant groups.
See more about angiosperms at brainly.com/question/9416370
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<span>Transport across the cell membrane that requires the use of energy in the form of ATP is called "Active Transport"
Hope this helps!</span>
Answer:
D it has a nucleus
Explanation:
It has a nucleus because it is an eukaryotic organism.
