Because the rays of the light might reflect and crack the lens
You're right. The Upper Mantle is directly under the Crust. Hope this helped! =^-^=
Answer:
Electrons are subatomic particles, whose electric charge is negative one elementary charge. They belong to the first generation of the lepton particle family, and are generally thought to be elementary particles because they have no known components or substructure.
Explanation:
Answer:
% of wolves have normal fur.
Explanation:
Given , the allele for white fur is recessive and the allele for normal fur is dominant
Let "N" represents the allele for normal fur and "n" represents the fur for white fur.
As per Hardy Weinberg's principle, the frequency for dominant allele is represented by "p"
Given ,
Then frequency for dominant genotype will be "
"
So, Frequency for wolves with normal fur is

Percentage of the wolves with normal fur is
%
Answer:
a. positive; negative
Explanation:
Transcription is the process of forming an RNA molecule from a DNA template molecule. In this process, the strands of DNA separate and one serves as a template for RNA, while the other is inactive. At the end of the transcript, the tapes that have been split back together again.
The transcription process is divided into three steps: initiation, stretching and termination
During the stretching phase, transcription chain elongation occurs. In this phase the enzyme called RNA polymerase starts to move through the DNA molecule, unwinding its helix and producing an increasingly lengthened RNA molecule. The already transcribed DNA is rewound almost immediately, recomposing its double helix. This process is called the elongation phase.
During this process, it is believed that positive supercoils are generated ahead of the transcription bubble and and the negative supercoils behind it.