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Jorge made a model of a cell in a clear plastic zipper bag. He used a plum for the nucleus and kidney beans for mitochondria. Why is this model helpful for learning about cells? A. It is made of the same
answered
Nov 17, 2021
Biology
high-school
5
votes
221k
views
The null hypothesis says that a sprinter's reaction time follows a normal distribution with mean at most 0.150 seconds. Six measurements of a sprinter's reaction time show 0.152, 0.154, 0.166, 0.147, 0.
answered
Sep 30, 2021
Mathematics
high-school
7
votes
222k
views
Which models of the atom include a structure that is mostly made of empty space? Select one or more: a. Bohr b. Rutherford c. Quantum mechanical d. Thomson
answered
Jun 25, 2021
Chemistry
high-school
5
votes
67.3k
views
Conjugate the following regular verbs mi sobrino, ayudar
answered
Apr 9, 2021
Spanish
middle-school
3
votes
89.8k
views
A scientist isolates a microbe from a contaminated water source. She thinks that the organism might be a new bacteria that is capable of surviving in the presence of lead, a heavy metal. She makes tubes
answered
Mar 12, 2021
Biology
college
3
votes
183k
views
Which of the following is a "social contract?" A belief that government has final authority over citizens An agreement between citizens and non-citizens in government An agreement between citizens and
answered
Feb 24, 2021
History
middle-school
1
vote
49.3k
views
Alexander and lan can each wash a car and vacuum its interior in 2 hours. Anjo needs 3 hours to do the same job by himself. If Anjo, Alexander, and lan work together, how long will it take them to clean
answered
Jan 9, 2021
Mathematics
college
0
votes
23.7k
views
Someone please help me?
answered
Jun 1, 2020
English
middle-school
2
votes
48.9k
views
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