Why do we say motion is relative in nature? all motions are relative to some frame of reference. When we say that a body is at rest,it means that it is not in motion,merely means that it is being described with respect to a frame of reference that moving together with the body. Is motion […]
Why is my head shape weird?
Why is my head shape weird? The takeaway. While it’s common for the shape of people’s skulls to vary, a new dent or irregularity in your skull can occasionally indicate a serious health condition. Dents in your skull can be caused by trauma, cancer, bone diseases, and other conditions. Can I reshape my head? Although […]
Do viruses come from the soil?
Do viruses come from the soil? In contrast to the oceans, little is known about the role of viruses in soils. A new study found that soils can contain many kinds of RNA viruses. Most of these RNA viruses likely infect fungi, but they could also infect bacteria, plants, and animals. The study found that […]
Does space have a sound?
Does space have a sound? Sound travels in waves like light or heat does, but unlike them, sound travels by making molecules vibrate. On Earth, sound travels to your ears by vibrating air molecules. In deep space, the large empty areas between stars and planets, there are no molecules to vibrate. There is no sound […]
Can a measure be valid but unreliable quizlet?
Which Colour is the coldest star?
Which Colour is the coldest star? red What is the coldest thing in earth? A chunk of copper became the coldest cubic meter (35.3 cubic feet) on Earth when researchers chilled it to 6 millikelvins, or six-thousandths of a degree above absolute zero (0 Kelvin). This is the closest a substance of this mass and […]
Is 1m3 equal to 1000 Litres?
Is 1m3 equal to 1000 Litres? Cubic meters and liters are two common metric units of volume. 1 cubic meter is 1000 liters. Which of the following is equal to 1 cubic meter? 1000 liters Is dm3 bigger than m3? Conversion cubic decimeters to cubic meters, dm3 to m3. The conversion factor is 0.001; so […]
How many tissues are in the human body?
How many tissues are in the human body? There are 4 basic types of tissue: connective tissue, epithelial tissue, muscle tissue, and nervous tissue. Connective tissue supports other tissues and binds them together (bone, blood, and lymph tissues). Epithelial tissue provides a covering (skin, the linings of the various passages inside the body). What do […]
Which of the following is a graph in which each point represents the values of two variables?
Which of the following is a graph in which each point represents the values of two variables? Scatter Diagram: A graph in which each point represents the values of two variables. What is the difference between a direct and indirect relationship? A direct relationship is when one variable increases, so does the other. An indirect […]
Will water ever disappear from Earth?
Will water ever disappear from Earth? Earth never gets water added to it–nor does water disappear from the earth. Water is constantly recycled in a process known as the hydrologic or water cycle. Fresh water is more scarce than you might think. 97% of all the water on the earth is in the oceans, and […]