Answer:
The two main objectives of scientific investigation are knowledge production and hypothesis development. Science uses a wide variety of persons and settings to conduct its investigations. There are numerous methods for conducting scientific research, all of which rely on the collection of various types of data.
Human error can occur when measurements are made improperly or when observations are incorrectly recorded. Scientific fraud is the term for deliberate data manipulation. Bias, or prior conviction that the hypothesis is correct or false, can have an impact on the accuracy of observation and the interpretation of data.
Explanation:
I paraphrased this for you (Not plagiarized).
The gases present at the origin of the earth were believed to be nitrogen (N2), Carbon dioxide (CO2), water vapor (H20), and maybe some carbon monoxide (CO).
<h3>Origin of the earth</h3>
The earth is believed to have originated in what scientists have referred to as the big bang in which several gases were formed.
The gases present at the origin of the earth were believed to be nitrogen (N2), Carbon dioxide (CO2), water vapor (H20), and maybe some carbon monoxide (CO). The gases aggregated to form amino acids hence the origin of the initial life forms.
Learn more about gases: brainly.com/question/1369730
<span>b. 65%</span>
In terms of vascular plants, they help maintain the water cycle. The property of these plants enables them to carry out this function is their well-developed vascular system. These type of plants are more evolved and developed than nonvascular plants because of its specialized characteristics like xylem, which is a tissue that is responsible for its framework and not only that, it is also has a greater mechanism for water transference. Another is phloem, which is responsible for food conduction.
Answer:
The answer is D: Recombinant DNA is produced by pasting together DNA from two sources
Explanation:
Recombinant DNA, or rDNA, is made by pasting together 2 halves of DNA strands from different sources
Answer:
B
Explanation:
Chemistry starts with the atom as this is the building block of all chemistry.
The cell, nucleus, and enzyme are all part of biology and not chemistry (at this level at least)
