Answers by Helder Robalo
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Answers by Helder Robalo

Answers by Helder Robalo
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If the concentration of mercury in the water of a polluted lake is 0.200 μg (micrograms) per liter of water, what is the total mass of mercury in the lake, in kilograms, if the lake has a surface area
answered Dec 15, 2023
2 votes
184k views
How to do this? 50/2 = 25/1 ?
answered Dec 4, 2023
5 votes
200k views
6 apples to 2 mangoes
answered Nov 27, 2023
4 votes
201k views
Equal DC voltage sources connected in parallel: Select one: O OO a. must connect two equal loads. O b. cancel each other out. c. can supply twice the current. Od. produce twice the voltage.
answered Jul 9, 2023
2 votes
87.2k views
Given the function g(x) = |x - 4|, find the value of g(1).
answered Feb 11, 2023
4 votes
99.6k views
CARDINALS POINTS wher is the cardinal point
answered Dec 30, 2022
7 votes
186k views
Find the area of the circle whose diameter is 68 cm​
answered Dec 11, 2022
3 votes
17.5k views
Gloria wants to test if the amount of air pressure in a soccer ball affects how far the ball will roll. She purchases five soccer balls that are all the same size and a ball pump with a pressure gauge
answered Sep 12, 2022
6 votes
149k views
Some people have one sickle cell gene and one normal gene. They have few defective cells and no symptoms because the sickle cell gene is recessive. How does the human system of reproduction result in people
answered Sep 12, 2022
8 votes
168k views
true or false: In 1861, the Confederate Congress moved the capital of the Confederacy to Charleston, South Carolina​
answered Aug 31, 2022
14 votes
4.3k views
Which of the following regarding blood vessels is not true? Group of answer choices arteries have valves to jprevent backflow Arteries have thick, elastic walls to accommodate the high pressure of blood
answered Jul 19, 2022
4 votes
125k views
A sample of gas contains 6.25 × 10-3 mol in a 500.0 mL flask at 265°C. Solve the problem for the pressure of oxygen. in kPa plz
answered Apr 20, 2022
11 votes
67.0k views
A puppy gained 1/2 ounce in weight every day.  At this rate, how long did it take the puppy to gain 16 ounces?​
answered Mar 16, 2022
4 votes
29.6k views
Demitri served time in a federal prison. He was sentenced to 124 months of incarceration followed by 24 months of probation. He served roughly 48 months in prison followed by the full 24 months of probation.
answered Oct 20, 2021
4 votes
87.3k views
A bird is attempting to fly northeast at a constant speed, but a wind blowing southward at 5 miles per hour blows the bird off course. If the bird’s overall movement (incorporating its intended movement
answered Jul 20, 2021
2 votes
119k views
Which statements correctly describe Washington, D.C.? Check all that apply. It is on land donated by Maryland and Virginia. It was named after the second US president. It was established by the US Constitution.
answered Jul 6, 2021
3 votes
163k views
Name 2 Treatments (Medication) Schizophrenia
answered Jul 2, 2021
5 votes
69.5k views
When water stratifies itself into layers, according to temperature, the boundary between layers is known as a(n):
answered May 21, 2021
6 votes
48.9k views
Fred is interested in creating marketing materials for video games. Which of the following occupations should he pursue? texture artist video game designer graphic artist video game artist
answered May 9, 2021
2 votes
20.1k views
"Producing what the buying public wants may not be the same as producing what the entirety of society needs." This argument is essentially making a normative judgment on the basis of some assumed but unproved
answered Feb 19, 2021
7 votes
8.8k views
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