Why does water move through a membrane quizlet? Water moves through a membrane in osmosis because there is a concentration gradient across the membrane of solute and solvent. The solute cannot effectively move to balance the concentration on both sides of the membrane, so water moves to achieve this balance. Why does water move through […]
Which element has longest half-life?
Which element has longest half-life? Bismuth-209 (209Bi) is the isotope of bismuth with the longest known half-life of any radioisotope that undergoes α-decay (alpha decay). What’s so special about element 115? Moscovium is a radioactive, synthetic element about which little is known. It is classified as a metal and is expected to be solid at […]
What is a material that conducts electricity under certain conditions?
What is a material that conducts electricity under certain conditions? A substance that will conduct electricity only under certain conditions is called a semiconductor. What is the difference between electronics and electric? The major difference between the electrical and electronic devices is that the electrical devices convert the electrical energy into the other form of […]
What is perfect black?
What is perfect black? A body which absorbs all the radiant energy incident upon it and reflects or transmits none is called a perfectly black body. It absorbs all incident energy. What is the meaning of irradiation? Irradiation is the process by which an object is exposed to radiation. The term irradiation usually excludes the […]
What is the fastest way to solve math questions?
What is the fastest way to solve math questions? 10 tricks for doing fast math Adding large numbers. Adding large numbers just in your head can be difficult. Subtracting from 1,000. Multiplying 5 times any number. Division tricks. Multiplying by 9. 10 and 11 times tricks. Percentage. Quickly square a two-digit number that ends in […]
What are the three main types of body membranes?
What are the three main types of body membranes? There are three types of epithelial membranes: mucous, which contain glands; serous, which secrete fluid; and cutaneous which makes up the skin. What are the three functions of body membranes? Biological membranes have three primary functions: (1) they keep toxic substances out of the cell; (2) […]
Can an atom grow?
Can an atom grow? Atoms do not grow, as the body grows it gains more atoms, more molecules (made of atoms), and more cells (made of many kinds of molecules). The individual atoms are actually constantly being recycled to the environment, estimates exist that in a year, 98% of your atoms have been replaced with […]
Is there a new planet that looks like Earth?
Is there a new planet that looks like Earth? Kepler-452b (a planet sometimes quoted to be an Earth 2.0 or Earth’s Cousin based on its characteristics; also known by its Kepler Object of Interest designation KOI-7016.01) is a super-Earth exoplanet orbiting within the inner edge of the habitable zone of the Sun-like star Kepler-452, and […]
What is the difference in the charges on a balloon rubbed in your hair and a glass rod rubbed?
What is the difference in the charges on a balloon rubbed in your hair and a glass rod rubbed? The balloon steals electrons from your hair, leaving the hair positively charged, and the balloon negatively charged. It causes the hair to be apart from each other, because they have the same charge. Glass has a […]
Is reheating food in the microwave bad for you?
Is reheating food in the microwave bad for you? The Verdict: When reheating leftovers, microwaving is best While the mineral content of food isn’t affected by microwaving, the vitamin content does take a bit of a hit when food is reheated. (Vitamin C and the B vitamins are especially affected.) Still, the microwave isn’t the […]