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The complement system of defense is composed of proteins that are always present in the blood. Which statement describes the importance of this system in early pathogen defense? Group of answer choices
answered
Oct 4, 2020
Biology
college
7
votes
105k
views
What promise did Japan make after ratifying it’s new constitution following World War II
answered
Jul 12, 2020
Social Studies
middle-school
3
votes
190k
views
Why were emancipation societies started? People felt slaves took work away from other laborers. Some people were getting wealthy while others starved. There was a moral obligation to help others. Africa
answered
Jun 14, 2020
History
middle-school
3
votes
20.4k
views
How was apartheid practiced in south africa
answered
May 16, 2020
History
middle-school
5
votes
26.8k
views
Which sentence best explains Clara's frustration with Sylvester in "Gumption"?
answered
Apr 20, 2020
English
middle-school
3
votes
211k
views
`Delta`PQR has vertices at P(2, 4), Q(3, 8) and R(5, 4). A dilation and series of translations map `Delta`PQR to `Delta`ABC, whose vertices are A(2, 4), B(5.5, 18), and C(12.5, 4). What is the scale factor
answered
Oct 11, 2019
Mathematics
middle-school
3
votes
47.3k
views
What is the type of bond holding hydrogen and oxygen atoms together in a single h2o molecule? What is the type of bond holding hydrogen and oxygen atoms together in a single h2o molecule? Ionic bond covalent
answered
Oct 7, 2019
Chemistry
high-school
5
votes
139k
views
Sandy sold half her comic books and then bought 8 more. she now has 12. how many did she begin with
answered
Aug 12, 2019
Mathematics
middle-school
6
votes
6.6k
views
The quantity, q grams, of the radioactive isotope strontium-90 present in a sample decreases by half over a period of about t = 28.8 years. if a sample initially contains 3 grams of strontium-90, what
answered
Jun 29, 2019
Chemistry
high-school
6
votes
131k
views
Which of these best explains why many anti-federalists finally agreed to the approve the u.s. constitution? a.george washington favored it b.the bill of rights was added c.they wanted to have a better
answered
May 30, 2019
History
high-school
5
votes
65.6k
views
Writing or publishing comments that hurt a person's reputaion
answered
Mar 20, 2019
Social Studies
middle-school
6
votes
147k
views
Thank you for visiting _______ this afternoon. a.we or b.us
answered
Dec 12, 2018
English
middle-school
0
votes
18.5k
views
Career selection would be based on salary alone true or false
answered
May 12, 2018
English
high-school
5
votes
159k
views
Antifederalists like Patrick Henry opposed the ratification of the U.S construction because they believed that under it
answered
Feb 3, 2018
History
college
1
vote
137k
views
If f (x) =-14x-2, then f^-1 (x) =
answered
Jan 8, 2018
Mathematics
high-school
1
vote
40.0k
views
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