Determine how much water is in the graduated cylinder drawn below by reading the bottom of the meniscus (surface of water).
In addition to magnifying the image of an object, a microscope inverts the image left to right. The image of the object observed through the microscope is also upside down. Looking through the eyepiece, you would therefore see the upside-down mirror image of the object under the microscope lens. What would the object below look like if observed through the microscope? Please View the Exhibit and answers the correct option.
Which one of the following statements is an opinion, rather than a fact?
Here are a few experimental observations and known facts:I. A scummy substance often forms in solutions of an amino acid in water.II. When the water is purified and exposed to UV radiation, the scummy substance does not form in the amino acid solution.III. UV radiation kills bacteria.What would be a valid hypothesis based on I, II and III?
Hypertension, or high blood pressure, is a condition that can lead to heart attack and stroke. A scientist graphed the following data collected from a study on hypertension. What is a logical conclusion based on the data?
The following pie chart illustrates the relative productivity (new plant material produced in one year) of different biomes. Based on the chart, which biome has the largest effect on the overall productivity?
