It is important to note that the graph has 0 solar intensity for a long part of the day; around 16 hours. Only from 8 to 16 hours do we have significant sunlight.
This means that the length of day is very short during this time of the year;
The length of the day changes throughout they year; day is equal to night (12 hours each) during the solstices on March 21 and September 23 but during summer day is longer than night in the northern hemisphere; during winter it is smaller. THe smallest daylength is at December 21st (in the northern Hemisphere). This phenomenon is due to the tilt of the axis of the earth.
The correct answer is December 21; (if we talked about a place in the southern hemisphere, the answer would be March 21).
<span>The upstairs of a house being warmer than the downstairs is an example of heat transfer by -- convection</span>
It would act like a prism and make a rainbow or the light would break up and disappear.
Answer:
As auxotrophs are mutants organism which requires particular additional nutrients which normal strains can not,
Hfr A high-frequency recombination cell (Hfr cell) (also called an Hfr strain) is a bacterium with a conjugative plasmid (for example, the F-factor) integrated into its chromosomal DNA
F+have fertity factor and are considered to be inheritable( male) while female have non and do not make pill for conjugation
**The qn is incomplete