Answers by Zachary Kniebel

Answers by Zachary Kniebel

Earth is approximately 4.5 billion years old. Is it likely that any of the rocks that were on Earth's surface when it first formed are still in existence? A. No, most of Earth's magma did not solidify

answered Feb 28, 2019

4 votes

201k views

1.)A rectangle has an area of 72 square centimeters and the length is twice the width. The perimeter of the rectangle 2.)If sides of a square are increased by 4 cm, the area is increased by 40 cm^2. Find

answered Dec 17, 2018

7 votes

87.5k views

How are tumor cells different from normal cells? A.)tumor cells have no nucleus B.)tumor cells are smaller C.)tumor cells multiply too quickly D.)tumor cells are Prokarotes

answered Sep 3, 2018

2 votes

83.8k views

It is often argued that viruses are not living. Why? a. Viruses reproduce. b. Viruses are not made of cells. c. Viruses contain genetic material. d. Viruses are made of RNA or DNA.

answered Jul 11, 2018

3 votes

172k views

Which expression represents 4 times the number r?

answered Apr 15, 2018

4 votes

4.0k views

There are a total of 63 bikes. If the ratio of blue bikes to black bikes is 4 to 5, how many of the bikes are blue?

answered Mar 7, 2018

0 votes

206k views

An example of natural selection is the tail of a male peacock. The females of the species choose mates based on the colors of the males’ tail feathers. If females begin using different criteria than feather

answered Jan 2, 2018

2 votes

173k views

Which choice best describes the underlined word or words in each sentence? Through observation, many scientists have studied and come to understand nature. complete subject compound subject simple subject

answered Apr 18, 2017

4 votes

166k views

Latin Romanian and french are all examples of languages from what family

answered Feb 17, 2016

1 vote

82.8k views

Whats the answer to -12(4/3-1)

answered Apr 8, 2015

0 votes

101k views

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