Explanation:
Nuclear capabilities abound in Europe, and nuclear intentions can be hard to decipher. On one side, Ukraine's attacker, Russia, has the largest stockpile of nuclear warheads in the world, including superiority in tactical nuclear weapons designed for battlefield use.
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Answer:
Convenience sampling
Explanation:
In convenience sampling, the samples for the research is drawn from the population that is very easily accessible by the researchers rather than using a specific criteria.
From the description above we can see that the internet site use only its members as the samples. Since the data of the site's members is easily accessible for the site, we can consider it as convenience sampling.
Answer:
When two heterozygous short-haired rabbits are crossed, the short hair being dominant and the long hair recessive, the phenotypes in the offspring will be 75% short hair and 25% long hair, with short hair: long hair ratio of 3:1.
Explanation:
Answer:
Option D, The end of the great Texas cattle drives, is the right answer.
Explanation:
The Spanish settlers were the first to bring the longhorn cattle in North America. During the course of time, Texas became home to millions of longhorn cattle. The cattle ranchers of the area wanted to sell them in the markets of East and North for the reason the demand was high and the supply was low. Such cattle drives came to an end in the decade of 1880s for various reasons. The invention of barbed wire, the expansion of railroads and too many cattle grazed on the crowded ranges and thus there was not enough grass to feed them all, were some of the significant reasons.
