Answer:
To put it simply, the amount of radiation from one adult chest x-ray (0.1 mSv) is about the same as 10 days of natural background radiation that we are all exposed to as part of our daily living.
Prokaryotic cells doesn't have a nucleus.
Answer:
Tundra
Explanation:
Ocean is the most stable biome, provides the majority of earths food and oxygen.
Rainforest provide 20% of earths food production. Also stable.
Grasslands although the don't get much rain it doesn't compare to the harsh weather that Tundra's face.
Tundra's is a very fragile environment. The freezing cold temperatures makes it a very difficult environment to survive in the winter, and plants and animals have a hard time coping with any extra stresses and disturbances. Therefore making it the least stable out of the rest listed.
<span>Despite considerable concern about the high rate of
Cocaine use among pregnant women, studies have failed to find a homogeneous pattern of fetal effects, and there is little consensus on the adverse effects of the drug.
</span>
Cocaine<span> is a street
drug that usually comes as a white powder. </span>Cocaine use during pregnancy can affect a pregnant<span> woman and her
unborn baby in many ways.</span>
Option A is correct. After making a punnet square, we can see that the genotypic ratio would be 1:2:1, being 25% dominant, 25% recessive and 50% heterozygous. However, we are asked for the phenotypic trait percentage. The phenotypic ration is 3:1, with 75% polka dotted tail (dominant gene active) and 25% solid tail (recessive gene active).
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