Answers by Jan Baer
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Answers by Jan Baer

Answers by Jan Baer
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Explain how the lungs and circulatory system work together? The lungs help with pumping of blood throughout the body. The lungs take in oxygen into the body and the blood distributes oxygen to cells throughout
answered May 9, 2021
7 votes
28.0k views
If a bushel of wheat costs $3.20 in the US and costs 40 pesos in Mexico and the nominal exchange rate is 10 pesos per dollar, then the real exchange from the US perspective is 0.80. The US will…
answered Apr 8, 2021
1 vote
160k views
In which of the options below will the number 3 correctly fill in the blank. Select all that apply. A) ___ : 4 = 12 : 16 B) 1 : 5 = ___ : 15 C) ___ : 1 = 12 : 3 D) 15 : ___ = 3 : 1
answered Mar 30, 2021
2 votes
204k views
In the reaction, Zn(s) + 2 HCl(aq) --> ZnCl2 (aq)+ H2(g), 25 grams of Zn are reacted with 17.5 g of HCl. How many grams of H2 will be produced?
answered Mar 23, 2021
3 votes
120k views
Round these number to the nearest whole number: 3.7 8.5 36.4 6.54
answered Mar 8, 2021
3 votes
188k views
DEFINATION OF MASS WATING​
answered Jan 23, 2021
3 votes
228k views
A wire with radius 23 cm has a current of 7 A which is distributed uniformly through its cross sectional area. If you were to use ampere’s law to calculate the magnetic field at a distance of 2 cm from
answered Sep 13, 2020
3 votes
204k views
Pls help! an example of denaturation is A) water removed from a checial reaction B) a polypeptide chain forming C) a protein unreveling
answered Apr 21, 2020
3 votes
47.0k views
If the base of a parallelogram is 5 units and the height of a parallelogram is 12 units then what is the area of the parallelogran
answered Apr 11, 2020
3 votes
126k views
Something that is predominant is the most A aggressive. B important. C improved. D necessary.​
answered Feb 14, 2020
1 vote
117k views
In addition to his military experience, george washington's appointment to lead the continental army had what benefit?
answered Aug 23, 2019
2 votes
46.0k views
Which line has a slope of 5/8 and goes through the point (2, -3)?
answered Aug 20, 2019
4 votes
70.2k views
We are given that f(x) 2x^2 + a. If a is a constant and f(2)+f(3)=f(5), what is the value of a? A)6 B)12 C)24 D)48
answered Jul 9, 2019
2 votes
19.9k views
A 12-tooth gear is turned two times. How many times will the 24-tooth gear to which it is connected turn?
answered Jul 4, 2019
7 votes
53.5k views
What are the two main forms of mechanical energy?
answered May 22, 2019
4 votes
76.1k views
How do you study for AP world history?
answered Apr 28, 2019
1 vote
232k views
What do you call a wrist watch to be worn in the 23rd century worksheet answers?
answered Mar 22, 2019
4 votes
148k views
Is a rotting log biotic or abiotic?
answered Sep 16, 2018
6 votes
127k views
Vinny is interviewing for a job. he wants his take-home pay to be at least $42,000$42,000. what is the least salary he can earn if he pays 25%% income tax?
answered Jul 16, 2018
5 votes
42.4k views
How many different months have exactly thirty days in 2008?
answered May 9, 2018
3 votes
24.9k views
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