Answer:
Anti-satellite weapons, which are primarily surface-to-space and air-to-space missiles, have been developed by the United States, the USSR/Russia, India and the People's Republic of China. Multiple test firings have been done with recent Chinese and U.S test program that destroy an orbiting satellite.
Answer:
- acceptable for biochemical pathway to remain unknown
- identifies novel candidate genes for a disease
- allows for large sample sizes with a limited budget
- identifies DNA elements that flank a variant
Explanation: Genome wide association studies (GWAS) are a relatively new approach to analyzing genetic sequence and have quickly become a fundamental part of modern genetic studies. Their purpose is to determine alleles that correlate to different diseases and traits.
GWAS focuses on SNPs. The modern unit of genetic variation is the single nucleotide polymorphism or SNP. SNPs are single base-pair changes in the DNA sequence that occur with high frequency in the human genome, inother words, the single nucleotide sites that differ between individuals. By studying SNPs, researchers can analyze a few hundred thousand nucleotides rather than the 3 billion nucleotides that compose the human genome. The basic design of a GWAS is simple and begins by dividing participants into two groups:
* People with a disease/trait of interest
* People without a disease/trait (control group)
Answer:
Due to mixing of particles present in the upper layer of limestone with sandstone during deposition.
Explanation:
The parent layer was limestone layer which is older than sandstone layer. This sandstone layer spreads on the limestone layer because of wind. The wind moves these sandstone from other region and their deposition occurs on the limestone layer. During deposition of sandstone, some particles of limestone which are present at the surface mixes with the sandstone so that's why in sandstone layer, small and weathered pieces of limestone are present.
B) all of the consumers will decrease
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Answer:
c. water ,...............