A group of graduate researchers from Hollenbeck College wishes to study the effects of heroin use during pregnancy. They choose to gather data from a local hospital and speak to several obstetricians and pediatricians on their experiences.

4) If used as a source for a research paper, this passage would beconsideredA) a biography.B) a primary source.EliminateC) statistical data.D)a secondary source. Describe your experience of the first day at online class in about 120 words We use the Scientific method to minimize human error in experiments.OSOOTrueFalse I am a two digit numberMy ones digit is equal to 7minus 3My tens digit and my ones when added together equals to an even numberWhat number am I? How many cups of flour are needed to make three dozen dinner rolls what happen if you don't make enough electricity? what happens if you make too much? im i right if not help If 5x+4y=58 and 3x + 7y = 67 find the value of ( x + y ) Omars teacher has asked him to send her a PDF copy of his presentation via email.Which tab in the Backstage view should Omar use to create a PDF document? Which option in the opened pane should Omar click? Which option in the Publish dialog box should he mark? How should he exit the dialog box? Which specialized cell type would be found lining the trachea, the part of the body that brings air to the lungs?A)bloodB)epithelial cellsC)neuronD)muscle cells Find the GCF of the numbers using lists of factors.27,4530,4828,48,64 I REALLY NEED HELP IF NOT I'M GOING TO FAIL Las imposiciones morales, NO estn basadas en Lets assume the 147 freshman maintained a 65% attendance rate during the first 4 week of school. If our next 4 week goal for attendance is a 70%, how many more students would need to attend daily for the next 4 weeks.Please Help ASAP Solve the inequality 5x + 3 > 48 Maggie's brother is 4 years younger than three times her age. The sum of their ages is 16.How old is Maggie? What is a possible reason that ecosystem 2 has fewer species than ecosystem 1? -9fgh/f,f=0 I need help please I'm failing Hassan writes an algebraic expression with four terms. The x-term has a coefficient of 2, and the z-term has a coefficient of -1. The expression has a constant term less than zero. Which expression could he have written?a) 2x + z + 5 - 6z^2 b) 2x- z-5 + 2z^2c) -2 x - z- 5 + 2z^2d) -2 x + z- 5 + 2z^2 Describe five ways that you can stay safe when you photograph.1. will give medal if you answer in 3 mins2. don't just say, dress appropriate, and bring props and stuff like that