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<span>Coal is a sedimentary rock made almost entirely of plant material and other organic
deposits that have been buried for millions of years under elevated
conditions of heat and pressure. </span>
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A- gripping tail to grip trees and branches
Answer:
There are different types of science according to their main goals. The goal of basic science is to increase our understanding of general principles.
Option d.
Types of science/research
Basic science
⇒ It is directed to understand fundamental problems or issues.
⇒ It is about generating basic knowledge.
⇒ It constitutes the theoretical basis of knowledge on which applied science or technology is based.
Applied science
⇒ It makes use of the knowledge generated by basic science to solve practical problems.
⇒ It generates knowledge that has a practical use.
Technological development
⇒ It is one of the main tools of science.
⇒ Its main function is to create useful tools and artifacts to facilitate the scientist's work.
The goal of basic science is to increase our understanding of general principles.
Option d.
From the punnet square it can be identified that,
R- dominant allele(red)
r- recessive allele(white)
Rr- heterozygous red
RR-homozygous red
rr-homozygous white
It is a monohybrid cross because it is a cross between paternal and maternal genotypes possessing a pair of contrast characters.