Total # Posts: 852
choose one animal species. Your goal is to describe the way in which an evolutionar change might occur for a particular characteristic(trait) of a populaiton of that species as a result of natural selection
August 8, 2010
Anatomy and Physiology
The nerve impulse reaches the spine through the axon tip, where it then travels to the tensor fascia, then to the iliacus, to the hipbone to the patella to the fibula longus, to the soleus to tibialis anterior.
July 31, 2010
you are given two equations which are both true , and yiu are asked to solve for both x and y. you plane to solve this set of eqiutions by substituting part of one equation into the other so you end up with an equation that contains only x's or y's. the first thing you...
July 5, 2010
The signs are alternating and each term is a multiple of 5. The rule would be (-1)^n(5*n) where n are the integers 1 through 5. To show you that this is true I will evaluate the expression for each value of n 1 through 5 n=1 (-1)^1*5*1=-1(5)=-5 n=2 (-1)^2*5*2=1(10)=10 n=3 (-1...
May 26, 2010
An inductor is in the built in the shape of a solenoid of radius 0.20 cm, length 4.0 cm, with 1000 turns. This inductor is connected to a generator supplying an rms voltage of 1.2×〖10〗^(-4) V AC at an angular frequency of 9.0×〖10〗^3 ...
April 25, 2010
The manager of the aluminum recycling division of Environmental Services wants a survey which will tell him how many households in the city of Seattle, Washington, will voluntarily wash out, store, and then transport all of their aluminum cans to a central recycling center ...
April 20, 2010
m1= 1kg v1= 1.50 m/s ===== m2= 0.010kg v2= 100m/s ===== m1*v1= 1kg*1.50kg= 1.50kg-m/s m2*v2= 0.010kg*100m/s= 1.0kg-m/s ===== mTotal= 1.010kg Since the bullet is shot in a vertical movement, and the duck was flying horizontally, then we can use Pythagorean to solve for the ...
March 29, 2010
Two very long, straight, parallel wires separated by distance d carry currents of magnitude I in opposite directions. Find the magnetic field at a point equidistant from the lines, with a distance 2d from each line.
March 28, 2010
Urgent. The melting point of pure acetylsalicylic acid is 135 degrees celsius. Comment on the purity of your product based on its melting point range. My melting point range was 105-115. I do not even know where to start for this question. Could you please help?
March 23, 2010
URGENT: If 2.24g of salicylic acid is reacted with 61mL methanol, what is the maximum mass of product that could be formed? The density of methanol is 0.791g/mL. Do I just multiply 61ml by 0.791g/ml to get 48.251 g methanol then multiply this by the 2.24g of salicylic acid?
March 17, 2010
A rectangular park measuring 35 yards by 24 yards is surrounded by a trail of uniform width. If the area of the park and the trail combined is 2420 square yards, what is the width of the path?
March 2, 2010
13. Pure copper may be produced by the reaction of copper(I) sulfide with oxygen gas as follows: Cu2S(s) + O2(g) _ 2Cu(s) + SO2(g) If the reaction of 0.540 kg of copper(I) sulfide with excess oxygen produces 0.140 kg of copper metal, what is the percent yield? A) 32.5% B...
January 31, 2010
testing procedures required by the US Food and Drug Administration raise the cost and price of drugs. Should we eliminate such requirements in order to ease inflationary pressures
December 13, 2009
The Fed should simply increase the money supply at the same rate that the full employment economy grows, and the government should desist from any stabilizing urges." What school of thought would make this suggestion, and how do economists of that school justify that ...
December 13, 2009
If someone could tell me if this is correct, it would really help me out. Problem: A statue 20 feet high stands on top of a base. From a point in front of the statue, the angle of elevation to the top of the statue is 48 degrees, and the angle of elevation to the bottom of the...
December 10, 2009
Is this correct? "Accion de gracias feliz! Nosotros deseo ustedes tenidas unasvacaciones alegres! Feliz dia del pavo!" I am trying to say, "Happy Thanksgiving! We wish you all had a joyful holiday! Happy Turkey day!"
November 28, 2009
A sample of a radioactive substance decayed to 93.5% of its original amount after a year. a) What is the half-life of the substance? ? years (b) How long would it take the sample to decay to 10% of its original amount? ? years
November 8, 2009
Whenever Congress has a perceived need for ongoing control of an economic activity, it has tended to creat a: a. regulatory agency b. cabinet department c. presidential commission d. government corporation
October 29, 2009
you are making gift baskets.each basket will contain three different kinds of candles: tapers,pillars, and jar candles. Tapers cost $1 each, pillars cost $4 each, and jar candles cost $6 each. You put 8 candles costing a total of $24 in each basket, and you include as many ...
October 14, 2009
pH =pka + log [A-]/[HA] 7.2 = 7.55 + log [A-]/[0.2M] [A-] = 0.4477M So using that concentration 0.4477M x 300mL = 134.32 moles NaOH / 1M NaOH = 134.32 mL NaOH amount needed right?
September 30, 2009
A wave of amplitude .30 m interferes with a second wave of amplitude .20 m. What are the largest and smallest displeacements that can occur? What type of interference is demonstrated by each displacement?
September 8, 2009
I know the differences but I cant figure out the comparisons. Matrilineal- term for a family organization in which kinship ties are traced through the mother. Patrilineal- term for a family organization in which kinship ties are traced through the father.
July 26, 2009
Provided social welfare Provided strict stationary guidelines and rules to contrast a unstable government system - morals/ how to live life unified communities through pride in architecture and common worship
July 26, 2009
Sorry I mistyped. I meant to type aq. I don't feel so bad that it is confusing to others. The actual assignment states balance the equation for 1/2 of A, where A is FECl, is combined with 1/3 of K, where K is NaOH. I have no other information .
March 4, 2009
I have to balance a double replacement chemical reaction. I do not know if I am doing it right. The question is 1/2 of A combines with 1/3 of K. A = FeCl (ag) and K = NaOH Is the answer FeCl+NaOH = FeOH + ClNa?
March 4, 2009
The mean GPA (grade point averagE. of all male students at a college is 2.77 and the mean GPA of all female students at the same college is 2.89. Suppose we take one sample of 40 male students and another sample of 50 female students from this college. What is the mean of the ...
January 30, 2009
It is hard to type fractions here, but I will try. My book says I need to "tell why the ratio $0.37 $1.85 ______ and ______ 1 stamp 5 stamps is not a proportion." It looks like a correct proportion to me! Is the problem that there is a 1 as a denominator? Does the ...
January 5, 2009
There are at least 5 more than twice as many students taking algebra 1 than taking algebra 2. If there are 44 students taking algebra 2, what is the least number of students who could be taking algebra 1. Show all work
November 20, 2008
I agree it seems odd, yet it really was posed as a real question (maybe by a mad scientist) but, I still owed it some thought and came up with nothing in my books. So again, A man compared his weight from outside the Empire State Building to inside which shows a loss of 350 ...
November 7, 2008
A particle leaves the origin with a velocity of 7.2 m/s in the positive y direction and moves in the xy plane with a constant acceleration of (3.0 2.0 i j ) m/s2. At the instant the particle moves back across the x axis (y = 0), what is the value of its x ...
September 29, 2008
The case of the collapse of HIH insurance also involved in unethical situation that the impact of that failure was not limited to shareholders and unsecured creditors, it also affected employees, policy holders and claimants under polices. HIH comprised several separate ...
September 9, 2008