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Which blood vessels allow the exchange of gasses and nutrients between blood and the body's cells?
answered
Sep 2, 2020
Medicine
middle-school
7
votes
85.4k
views
Food web for a particular terrestrial ecosystem (arrows represent energy flow and letters represent species) Examine this food web for a particular terrestrial ecosystem. Which species is autotrophic?
answered
Jun 9, 2020
Biology
high-school
2
votes
164k
views
Which is the graph of f(x) = 5(2)x?
answered
May 18, 2020
Mathematics
middle-school
2
votes
123k
views
Compare the differences in economic goals between a traditional, command, and market economy.
answered
May 2, 2020
Social Studies
middle-school
5
votes
32.2k
views
Over the course of the day tolerance to nicotine develops meaning that higher or more frequent does are requird to make a person feel good. True False
answered
Jan 2, 2020
Health
high-school
5
votes
24.8k
views
Part of 19th century chemist john dalton's atomic theory was that different elements differ in their physical and chemical properties. which substance in an atom determines its chemical properties and
answered
Nov 28, 2019
Chemistry
high-school
2
votes
161k
views
And parallel to this total displacement of his physical space iron had totally replaced his time or blocked or separated him from time. As if time in its rigid tick tock trajectory were thwarted by the
answered
Aug 12, 2019
English
college
4
votes
20.4k
views
You have a ruler that is marked to the nearest half centimeter. Which of these measurements is written with the correct amount of precision? A)2.0cm B)3.14cm C)5 cm D)100cm
answered
Apr 25, 2019
Physics
college
4
votes
79.0k
views
If you run 10 km east and then turn around and run 7 km west, how much total distance have you travelled? A. 17 km B. 70 km C. 3 km D. 2.5 km
answered
Apr 21, 2019
Physics
middle-school
0
votes
64.5k
views
Which version of the sentence below most clearly describes a joyful moment of hard-earned success? i clutched the certificate tightly in my nervous and sweaty hands, hoping i wouldn't trip on the red carpet.
answered
Feb 16, 2019
Social Studies
college
5
votes
64.1k
views
In India, Gandhi is known as the 'Father of the Nation' and his birthday is celebrated as a national holiday. True False
answered
Nov 7, 2018
Geography
high-school
2
votes
147k
views
The greatest amount of money kiara has to spend $20.she wants to buy a book for $12 and spend the remaining money on name tags for her luggage. Each name tag $12 cost $2. how many number of tags, x, kiara
answered
Oct 16, 2018
Mathematics
middle-school
5
votes
83.2k
views
6 boys and 6 girls attend a birthday party and play pin the tail on the donkey. how many different arrangements of first, second, and third are there?
answered
Aug 17, 2018
Mathematics
college
5
votes
187k
views
Imagine you are a scientist studying ancient civilizations. You come across some ancient artifacts and after careful thought, determine the artifacts to be from a tribe of hunter-gatherers. You make this
answered
Jul 29, 2018
History
high-school
6
votes
155k
views
The first telegraph contributed to the field of Select one: a. Engineering b. Mining c. Transportation d. Communication Previous page
answered
Mar 12, 2018
History
high-school
4
votes
108k
views
Can someone please help me in number 1 and 2 thankss
answered
Sep 5, 2017
Chemistry
middle-school
4
votes
7.7k
views
Beyond tone, a poet's attitude toward his or her subject reveals to us a poem's A. theme. B. structure. C. diction. D. subject.
answered
Jun 24, 2017
English
high-school
3
votes
57.2k
views
Harold goldstein and his wife elaine recently installed a built in rectangular swimming pool measuring 13 ft by 27 ft. they want to add a decorative tile border of uniform width around all sides of the
answered
Mar 24, 2017
Physics
high-school
3
votes
162k
views
Approximately what percent of costa ricans are literate? a. 70% c. 85% b. 77% d. 95%
answered
Jan 8, 2017
Social Studies
high-school
0
votes
118k
views
What are the most popular teenagers sport in Britain ?
answered
Jan 28, 2016
English
middle-school
1
vote
26.1k
views
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