What happens when glucose levels are too high? Having too much sugar in the blood for long periods of time can cause serious health problems if it’s not treated. Hyperglycemia can damage the vessels that supply blood to vital organs, which can increase the risk of heart disease and stroke, kidney disease, vision problems, and […]

Does a stopwatch measure milliseconds? Because they are actually 1/1000 of a second, your stop watch just lacks either the precision or display space necessary to display the last (third) digit beyond the decimal. Since that isn’t a standard, you would then convert it back the standard unit of milliseconds, or leave the measurement in […]

Is the earth rotating around the sun? The Earth, which is the third planet from the Sun, takes 24 hours to rotate. This is what causes day and night. As the Earth rotates, it also moves, or revolves, around the Sun. It takes the Earth one year, or 365 1/4 days, to completely orbit the […]

What is the major contributor of salt in the ocean? Rocks on land are the major source of salts dissolved in seawater. Rainwater that falls on land is slightly acidic, so it erodes rocks. This releases ions that are carried away to streams and rivers that eventually feed into the ocean. What is the most […]

What happens if both parents have green eyes? While if both parents have green eyes, their baby has a 75 per cent chance of having the same colour, a 24 per cent chance of having blue eyes and a one per cent chance of having brown eyes. Brown eyes are dominant over green or blue, […]

Which characteristic is shared by all adult amphibians and reptiles? They definitely have traits they share. For example, they are both ectothermic, or cold-blooded animals, meaning their body temperature relies on the temperature of their habitat. Reptiles and amphibians also are both vertebrate animals, meaning they have backbones. Do amphibians have scales? While many amphibians, […]

What happens when carbon dioxide enters the ocean and reacts with the water? The ocean takes up carbon dioxide through photosynthesis by plant-like organisms (phytoplankton), as well as by simple chemistry: carbon dioxide dissolves in water. It reacts with seawater, creating carbonic acid. In the center of the ocean, wind-driven currents bring cool waters and […]

Is the proper term for reducing pest populations? eradication Which of the following are stages that occur in a simple incomplete life cycle of an insect? Less than ____ of the known species of insects are considered to be pests. Which of the following are stages that occur in a simple (incomplete) life cycle of […]

How is the Doppler effect used to detect planets around stars? Doppler spectroscopy is used to detect the periodic velocity shift of the stellar spectrum caused by an orbiting giant planet. (This method is also referred to as the radial velocity method.) Astrometry is used to look for the periodic wobble that a planet induces […]

What is it called when cancer cells move? In metastasis, cancer cells break away from the original (primary) tumor, travel through the blood or lymph system, and form a new tumor in other organs or tissues of the body. What is the correct term for a mass of cancer cells? A mass formed when normal […]