The answer to number four is A
Parents receive vouchers amounting to the sum that the state spends on their child's education under the concept of school choice. School choice is present in the United States, where an array of alternative options are provided to parents as substitutes to the public school that are present in their district. Options received under school choice include home schooling, virtual schooling and magnet schooling.
1) variation in traits.
population of beetles: equal brown and green numbers in population.
2) differential reproduction.
Natural habitat is in trees. Green leaves hide green beetles.
The brown beetles are noticed by birds in the area.
Birds eat brown beetles.
More green beetles survive than brown beetles
3) heredity
Green beetles reproduce in greater numbers than brown beetles
4) end result
Beetle population changes from brown and green to mostly green beetles.
Answer: infrasound
Explanation:
The infrasound is called as the low frequency sound. The frequency of these sounds is less than 20 Hz. The sound waves of the infrasound cannot be perceived by the humans as human ear are less sensitive to the low frequency. The infrasound can be produced in extreme weather conditions, earthquakes, meteor impacts, explosive detonation, collision of oceanic waves, waves on beach, and sound produced by the air conditioner.
ribosomal rna i’m pretty sure
