What happens when you put a magnet near a compass? The needle of a compass is itself a magnet, and thus the north pole of the magnet always points north, except when it is near a strong magnet. When you take the compass away from the bar magnet, it again points north. So, we can […]
Which describes the movement of cells?
Which describes the movement of cells? Cell movement or motility is a highly dynamic phenomenon that is essential to a variety of biological processes such as the development of an organism (morphogenesis), wound healing, cancer metastasis and immune response. In all these examples, cells reach their target by crawling. What describes simple diffusion? In biology, […]
What nationality has type A blood?
What nationality has type A blood? According to the American Red Cross, the following statistics show the most common blood types in the U.S.: African American: 47% O-positive, 24% A-positive, and 18% B-positive. Latin American: 53% O-positive, 29% A-positive, and 9% B-positive. Asian: 39% O-positive, 27% A-positive, and 25% B-positive. Does blood type determine fertility? […]
What are the three main parts of a blueprint?
What are the three main parts of a blueprint? Blueprints are documents that contain three major elements: the drawing, dimensions, and notes. The drawing illustrates the views of the part necessary to show its features. Together, the extension and dimension lines on the drawing indicate dimensions and specific tolerance information of each feature. What does […]
Why can psychology be considered a science?
Why can psychology be considered a science? Psychology is a science because it follows the empirical method. The scientific status of any endeavor is determined by its method of investigation, not what it studies, or when the research was done, and certainly not by who did the investigation. All sciences use the empirical method. What […]
Why do we only have one tide a day?
What happens if you put too many stamps on an envelope?
Can crying and stress affect unborn baby?
Can crying and stress affect unborn baby? Can crying and depression affect an unborn baby? Having an occasional crying spell isn’t likely to harm your unborn baby. More severe depression during pregnancy, however, could possibly have a negative impact on your pregnancy. What does cortisol do to a fetus? “The stress hormone cortisol may be […]
What are the properties of the fourth state of matter?
What are the properties of the fourth state of matter? A plasma is an ionized gas, a gas into which sufficient energy is provided to free electrons from atoms or molecules and to allow both species, ions and electrons, to coexist. Plasma is the fourth state of matter. What is the 4th state in the […]
How much is Alaska worth today?
How much is Alaska worth today? The Alaskan Purchase Today, Alaska is, of course, worth much more than that. The state encompasses 586,412 square miles or more than 375 million acres. 2 Even at a cost of just $100 per acre, that would equate to more than $37 billion. How much does Alaska sell for? […]