Car exhaust, industrial emissions and solvent vapors are all sources of bad ozone layers because they unleash pollutants into the atmosphere which in turn harm the ozone layer.
Answer: A. the middles of the data sets and the spreads around them should both be considered.
Explanation:
When comparing data from two different groups, the most frequently occurring values should not be removed because they are most representative of the data and so will be very important in comparing the data.
The highest and the lowest values should not be the only data considered, indeed those should be the of lower importance than the values in the middles as the highest and lowest can sometimes be outliers.
Averages are good for summaries but shouldn't be the only things considered. The correct answer is therefore the first option that the middles and the spreads around the middle should be considered as these are more indicative of the groups.
Answer:
G-banding or Giemsa banding is a technique used to study the chromosomes by staining then at condensed stage. The visible karyotype can be used by this technique. The genetic diseases can be easily identified by this G banding technique.
The base composition of the genes (nucleotide) are stained by the dye known as Giemsa stain. The nitrogenous base adenine and thymine of the heterochromatic region of chromosome stained darkly in this technique. The darkly stained area is generally gene poor area.
The mouth, pharynx, esophagus, stomach, both intestines, and the anus make up the GI tract. Accessory organs are the salivary glands, liver, pancreas, and gallbladder. I hope this helps.