subject
Biology, 24.03.2020 21:05 jholland03

A construction worker uses a hammer to drive a sharp nail into a concrete wall. What two simple machines is the construction worker using when he does this task?
A.
a lever and a pulley
B.
a screw and a wheel and axle
C.
an inclined plane and a pulley
D.
a wedge and a lever

ansver
Answers: 3

Another question on Biology

question
Biology, 21.06.2019 20:00
Which type of neuroglia is found outside of the brain?
Answers: 1
question
Biology, 22.06.2019 02:00
Name the glands associated with human digestive system
Answers: 1
question
Biology, 22.06.2019 08:00
To be or not to be that is da question
Answers: 2
question
Biology, 22.06.2019 14:30
Which of these is not an example of molecular homology? 1. use of dna and rna as genetic material 2.use of glycolysis as the first step in cellular respiration in both plants and animals 3. the lack of an igf-1 gene in prokaryotes 4. the use of aldolase b to break down fructose in bacteria, plants and animals
Answers: 3
You know the right answer?
A construction worker uses a hammer to drive a sharp nail into a concrete wall. What two simple mach...
Questions
question
Mathematics, 24.07.2019 19:00
question
Chemistry, 24.07.2019 19:00
Questions on the website: 13722361