What will happen to the pressure of a contained gas if its temperature is lowered? How does a decrease in temperature affect the pressure of a contained gas? The pressure decreases because the kinetic energy decreases with the temperature and slower moving particles impact the walls of a contain with less energy. Which three factors […]
How do you activate the ciliary muscles?
How do you activate the ciliary muscles? Activation of the M3 muscarinic receptors, acetylcholine receptors that are formed by G-protein complexes, trigger the contraction of the ciliary muscle and reduce the diameter of the ciliary muscle ring. Contraction allows the zonular fibers to relax and the lens becomes more spherical to improve near vision. What […]
What is the co2 ppm today?
What is the co2 ppm today? 415.46 ppm Units = parts per million (ppm). What is the level of co2 in the atmosphere today? The global average atmospheric carbon dioxide in 2019 was 409.8 parts per million (ppm for short), with a range of uncertainty of plus or minus 0.1 ppm. Carbon dioxide levels today […]
What is the darkest phase of the moon?
What is significant about the case Daubert vs Frye?
What is significant about the case Daubert vs Frye? In Daubert v. Merrell Dow Pharmaceuticals, Inc., 509 U.S. 579 (1993), the Supreme Court effectively overruled Frye in federal courts, holding that the case law was inconsistent with the applicable evidentiary rules, namely, Rule 702 of the Federal Rules of Evidence. Why is the Frye standard […]
What clues did you use to put the continents together?
What clues did you use to put the continents together? Wegner’s Evidence for Continental Drift Evidence from fossilized organisms and mountain chains can be used to reconstruct the positions of today’s continents and landmasses to form the supercontinent Pangea. Glossopteris ferns had very heavy seeds that could not move by wind or drift on ocean […]
What are the pros and cons of GMO foods?
What are the pros and cons of GMO foods? The pros of GMO crops are that they may contain more nutrients, are grown with fewer pesticides, and are usually cheaper than their non-GMO counterparts. The cons of GMO foods are that they may cause allergic reactions because of their altered DNA and they may increase […]
Is 30 degrees water hot?
What do the lithosphere and asthenosphere have in common?
What do the lithosphere and asthenosphere have in common? Both the lithosphere and asthenosphere are part of Earth and are made of similar material. Lithosphere is made up of Earth’s outermost layer, the crust, and the uppermost portion of the mantle. In comparison, the asthenosphere is the upper portion of Earth’s mantle (which is also […]
Did Maria Belon lose her leg in the tsunami?
Did Maria Belon lose her leg in the tsunami? She lost part of a leg in the tragedy, but miraculously (spoiler alert), she managed to reunite with the rest of her family by sheer luck. More than 283,000 died. Belon, once a family doctor turned stay-at-home mom, emerged from the ordeal a different person. How […]