maxx

This page lists questions and answers that were posted by visitors named maxx.

Questions

The following questions were asked by visitors named maxx.

Determine if the data are qualitative or quantitative. Zinc is a silver-gray metal. Chlorine has a density of 3.2 g/L. Gallium is not found in nature. Nitrogen has a melting point of –210.00°C. Aluminum is a solid.
13 hours ago
Sample Response: As the temperature increases, so does ice cream consumption. What did you include in your response? Check all that apply. As the temperature increases, so does ice cream consumption. People eat more pints of ice cream when the temperature...
13 hours ago
Leslie wants to know which advertising medium works best to promote her electronics store. She surveys her customers over a weekend and creates a bar graph. Based on her survey, which advertising mediums will work best to publicize Leslie’s in-store speci...
13 hours ago
Which means "to study or examine”? reproduce analyze quantify validate
12 hours ago
A pharmaceutical company claimed that experiments showed that its drug could effectively reduce the growth of cancer cells by 35 percent. However, when five independent laboratories conducted the same experiment, they measured a reduction rate of only 5–8...
12 hours ago
Read the excerpts about climate change. Article 1, found on the website of the Natural Resources Defense Council, a certified charitable organization, supports global warming. Global warming doesn't create hurricanes, but it does make them stronger and mo...
11 hours ago
Read the passage about the fluoridation of drinking water. Since the early 1960s, fluoride has been added to many sources of drinking water to prevent cavities in teeth. This is called fluoridation. There are some who say that this is unnecessary and incr...
11 hours ago
A company that manufactures cookware has conducted numerous trials to see which metal needs the least amount of energy (measured in Joules, J) to be raised to high temperatures, and records the averages in a table. Which claim will this company most likel...
11 hours ago
The table shows results of an experiment that was replicated. Which best describes the data? They are precise and reproducible. They are precise but not reproducible. They are accurate and reproducible. They are accurate but not reproducible.
11 hours ago
Vincent graduated from college with a degree in horticulture and now owns a local plant nursery. He maintains a blog titled, "How to Live a Happy Life,” and writes that people can lead happier lives by varying the routes they usually take home from work....
11 hours ago
Scientists often work on projects for a long time and fail to see sources of error in their research. Which process allows an outside expert to look at the scientist’s project and point to sources of error? direct funding peer review conclusive research d...
11 hours ago
Which statement best describes the variables in a controlled experiment? The independent variable is changed to see its effect on the dependent variable while all other conditions are unchanged. The dependent variable is changed to see its effect on the i...
11 hours ago
Which practice poses the greatest safety concern? talking to others in the lab accumulating clutter on the lab bench performing an experiment when sitting down reading the temperature of a water bath
11 hours ago
The MSDS for glacial acetic acid says that it is a flammable liquid that can severely burn any human tissue it comes in contact with. It reacts with bases, various metals, and strong oxidizing agents. Its vapors can form explosive mixtures with air. Based...
11 hours ago
Which feature of a hypothesis leads to a new experiment? a basis on research a dependency on prior knowledge a possible explanation an ability to be tested
11 hours ago
Which term best describes the important pieces of information that scientists gather and record during an experiment? conclusions data research supplies
11 hours ago
Which is one change city planners should consider within the city? increasing parking meters increasing traffic signals increasing places to park bikes decreasing bike-repair shops
11 hours ago
he table shows results of an experiment that was replicated. Which best describes the data? They are neither precise nor reproducible. They are precise but not reproducible. They are accurate and reproducible. They are accurate but not reproducible.
11 hours ago
The table shows five items that a person may consider including in a safety contract. Item number Item 1 Label all containers. 2 Tie long hair back. 3 Bring a cell phone to the lab in case of emergency. 4 Bring a small laptop computer to the lab to use MS...
11 hours ago
Look at the data tables below. Which would most likely produce a nonlinear graph? Table 1 Table 2 Table 3 Table 4
11 hours ago
Which statement describes a scientific theory? A theory states how something behaves without explaining why. A theory is a proven fact that cannot be changed. A theory changes based on new observations and testing. A theory is based on a single hypothesis...
11 hours ago
The table shows the percentages of hydrocarbons that are found in a sample of crude oil. Hydrocarbons Percentage paraffins 30 naphthenes 49 aromatics 15 asphaltics 6.0 Based on the given information, what is the best classification for this sample of crud...
11 hours ago
he table describes how some substances were formed. Substance Description P Formed by boiling pure water Q Formed by combining three hydrogen atoms to every nitrogen atom R Formed by adding 5 g of sugar to 1 L of water S Formed by compressing carbon under...
11 hours ago

Answers

The following answers were posted by visitors named maxx.