Light travels extremely fast through the air, 300,000,000 m/s. Sound travels much slower, 343 m/s through air. Therefore we can see light in an instant, but it takes a while to hear thunder.
Explanation:
When you compare the numbers (speed of light vs speed of sound) you understand that light is 10^6 faster in speed that sound. When lightning occurs at a greater distance from the observer, this difference in speeds in more perceptible because the two different waves would have to travel greater distances to the observer and the relative differences in speed become increased.
Remember however, that sound travels in a medium while light waves do not require a medium because they are electromagnetic waves. In a vacuum, therefore, you would observe the lightning but never the sound.
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Sap flows when daytime temperatures rise above freezing (32 degrees Fahrenheit / 0 Celsius) and nighttime temperatures fall below freezing.
The rising temperature creates pressure in the tree generating the sap flow.
d.During the prenatal period this therapy would be utilized.
<h3>Prenatal period</h3>
The time leading up to birth is referred to as the prenatal period. During this time, a woman has greater dietary demands. A woman might not be getting enough nutrition since she may not be aware that she is pregnant. Additionally, she might overindulge in alcohol or caffeine, which could have an impact on the developing embryo or fetus. There are three stages of normal prenatal period, which last around 38 weeks total: germinal, embryonic, and fetal. Conception marks the beginning of prenatal period, which finishes with baby's birth. Your pregnancy is divided into three, 12-week trimesters because it takes around 40 weeks, or nine months, to generate a new life. New developments and modifications are brought about by each trimester.
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Gene therapy is under development for potential future treatment of those with intellectual disability. If employed, when would this therapy be utilized?
Answers:
a. In early or middle adulthood
b. Immediately after birth
c. When puberty begins
d. During the prenatal period
Some of the characteristics are that living things reproduce they use energy and that they grow
Plants release oxegen for cellular respiration not carbon dioxide
