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Can a person with blood type A successfully receive a transfusion from a person who has type O? Why or why not?
answered
Mar 24, 2021
Biology
college
3
votes
2.5k
views
The data shown relates the number of thousands of reported whooping cough cases and the number of years passed since the discovery of the whooping cough vaccine. Which function models this scenario? Number
answered
Feb 15, 2021
Mathematics
college
4
votes
142k
views
What should you do if you realize during research that your original theory is wrong? A. Make up facts to back it up B. Change your theory C. Use artistic proofs to strengthen your argument D. Work on
answered
Feb 2, 2021
English
middle-school
4
votes
113k
views
The deepest mine ever drilled has a depth of 12300 meters. suppose you drop a rock with a mass of .12 kilograms down the shaft of this mine. What would the rock's kinetic energy be after falling 3200 meters?
answered
Jan 31, 2021
Physics
middle-school
5
votes
101k
views
List 10 organ systems!
answered
Jan 29, 2021
Health
middle-school
5
votes
112k
views
Which equation has a graph that is a parabola with a vertex at (5,3)? A.) y = (x-5)^2+3 B.) y = (x+5)^2+3 C.) y = (x-3)^2+5 D.) y = (x+3)^2+5
answered
Oct 12, 2020
Mathematics
middle-school
6
votes
14.7k
views
The primary benefit of a monetary system of exchange compared to a barter system is the increased a. ability to record transactions.b. time necessary to find trading partners.c. time devoted to shopping.
answered
Aug 28, 2020
Business
high-school
4
votes
98.2k
views
Simplify 12w + 3(7 + w)
answered
Jun 27, 2020
Mathematics
middle-school
6
votes
229k
views
A certain test preparation course is designed to help students improve their scores on the LSAT exam. A mock exam is given at the beginning and end of the course to determine the effectiveness of the course.
answered
Jun 17, 2020
Mathematics
college
4
votes
87.6k
views
Which of these organs are found in the excretory system A. Lungs B.kidneys C.stomach D.heart Please hurry though thanks!
answered
May 31, 2020
Biology
middle-school
6
votes
177k
views
What is the level of classification that has the largest number of members?
answered
Dec 23, 2019
Chemistry
middle-school
6
votes
217k
views
Which of the following statements is true? The vascular tissue system is made of xylem and phloem. Plant roots have a special waxy covering called the cuticle. Thinking and remembering are controlled by
answered
Jan 22, 2019
Biology
high-school
3
votes
70.6k
views
What is the name of the muscle underlying the eyelid skin
answered
Jan 8, 2019
Biology
middle-school
4
votes
173k
views
Which two organelles can be found in plant cells that aren't in an animal cells
answered
Aug 8, 2018
Biology
middle-school
4
votes
134k
views
What was the Neolithic revolution
answered
Jul 7, 2018
History
college
3
votes
31.1k
views
Fossil fuels include all of the following except: coal tar sands uranium natural gas oil
answered
Jun 28, 2018
Biology
high-school
3
votes
203k
views
Which excerpt from “Pakistan’s Malala” helps explain how setting shaped Malala’s father’s point of view? A-“"My father said that some days ago someone brought the printout of this diary saying how wonderful
answered
Feb 12, 2018
History
high-school
4
votes
29.5k
views
Solve for x. 2/3x=10
answered
Sep 14, 2017
Mathematics
middle-school
4
votes
179k
views
Which term describes a fraction that has a variable or variable expression in its numerator, its denominator, or both? A. Variable fraction B. Rational expression C. Rational fraction D. Variable expression
answered
Aug 15, 2017
Mathematics
high-school
7
votes
162k
views
Does genocide occur anywhere in the world today
answered
Jan 20, 2017
History
high-school
6
votes
21.8k
views
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