By age of 6, the average child has a vocabulary of around 14,000 words. Vocabulary development can be relatively variable among children of the same ages. Children typically speak their first word somewhere around 12 months. At 18 months, they may use around 50 words or lower and there is an increase in the number of words with age.
I would say Upper Respiratory Infection. other wise known as ( URI )
Answer:
earthworms are called farmers friends because they improve the texture of soil by burrowing into the soil and makes the soil loose and thus allows the air to enter into the soil and water to drain from it,they also form channels in the soil for roots to spread through. -GOOGLE
Answer:
d. Genetic Drift
Explanation:
Genetic drift, in Biology, is the change of the relative allele frequency of a population that occurs randomly over time. That is, the allele frequency of the original population becomes changed overtime.
Genetic drift can be said to be caused or favored by several factors, and this could include, small population size, population experiencing bottleneck effect or the founder effect, movement of a gene into a population.
The case of unusual high frequency of "blue skin" that occurred in the small group of people living in the remote area of Kentucky can be said to be an example of <em><u>genetic drift,</u></em> as this trait were originated from one couple who migrated as one of the settlers into the region.
