1.1.2 Exam. Semester Exam
How could you best increase the mechanical efficiency of a screwdriver for
using it to open a can of paint?
A. Make it out of material that is very strong so that more of the input
work is changed into useful output work.
B. Make the handle smooth and slippery to reduce friction with the
user's gloves.
O C. Make it out of material that bends easily so that less of the input
work is changed into useful output work.
O D. Make the handle thin to reduce the user's ability to grip it and apply
an input force
Answers: 2
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Use the above pedigree for questions 1,2, and 3 1. what kind of genetic disorder is represented in the pedigree? a. recessive b. dominate refer to the pedigree in question 1. 2. is the mutated gene in this disorder located on a sex chromosome (x or y) or an autosome? a. sex chromosome b. autosome refer to the pedigree in question 1. 3. which generation has individuals that you are certain are heterozygous for the mutated gene? a. generation 1 b. generation 2 c. generation 3
Answers: 2
Biology, 22.06.2019 17:00
Which of the following is one way in which organisms such as clown fish and sea turtles are able to overcome the many dangers that their offspring encounter and ensure that their species population numbers stay relatively steady
Answers: 1
1.1.2 Exam. Semester Exam
How could you best increase the mechanical efficiency of a screwdriver fo...
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