Do autoclaves kill everything? The short answer: no. Autoclaves are capable of killing all types of microorganisms such as bacteria, viruses, and even spores, which are known to survive at high temperatures and can only be killed at temperatures around 130°C. Why autoclaving is the best method of sterilization? Wet Heat (Autoclaving) This is a […]
Why does the outer shape of our earth keep on changing?
Why does the outer shape of our earth keep on changing? The Earth’s shape changes because the climate events like El Nino shift where the mass of water is stored: in oceans, continents and the atmosphere. What are 4 processes that shape Earth’s surface? Explanation: The four common Planet Surface Processes are: Cratering, Volcanoes, Erosion, […]
What percentage of CO2 emissions are man made?
What percentage of CO2 emissions are man made? In fact, carbon dioxide, which is blamed for climate warming, has only a volume share of 0.04 percent in the atmosphere. And of these 0.04 percent CO2, 95 percent come from natural sources, such as volcanoes or decomposition processes in nature. The human CO2 content in the […]
What to eat to strengthen bones?
What to eat to strengthen bones? Calcium milk, cheese and other dairy foods. green leafy vegetables, such as broccoli, cabbage and okra, but not spinach. soya beans. tofu. plant-based drinks (such as soya drink) with added calcium. nuts. bread and anything made with fortified flour. fish where you eat the bones, such as sardines and […]
Is oil a renewable fuel?
Is oil a renewable fuel? Renewable fuels are fuels produced from renewable resources. Examples include: biofuels (e.g. Vegetable oil used as fuel, ethanol, methanol from clean energy and carbon dioxide or biomass, and biodiesel) and Hydrogen fuel (when produced with renewable processes). What are the worst fossil fuels? Why is coal the worst fossil fuel […]
Is P and N directly proportional?
Is P and N directly proportional? Boyle’s law states that pressure (P) and volume (V) are inversely proportional. Gay-Lussac’s law states that pressure (P) and temperature (T) are directly proportional. Avagadro’s law states that the amount (n) of a substance is directly proportional to the volume (V). How do you solve for V in PV […]
What is the name for ca2+?
What is the name for ca2+? Please visit the Calcium element page for information specific to the chemical element of the periodic table….Calcium ion. PubChem CID 271 Structure Find Similar Structures Molecular Formula Ca+2 Synonyms calcium ion Calcium(2+) Calcium cation Calcium ions Calcium(2+)ions More… What is the most common ion charge? Table of Common Element […]
Which two substances Cannot be broken down?
Which two substances Cannot be broken down? Each kind of atom is an element. Elements are pure substances that cannot be broken down into simpler substances by ordinary chemical means. Can antimony be broken down by chemical means? The substance that can not be broken down by chemical means is antimony. What Cannot be broken […]
Why does the creature seize the little boy he encounters?
Why does the creature seize the little boy he encounters? Why did the creature seize the small boy, William Frankenstein? He wanted to educate him to become a companion. The creature was delighted that he was able to create despair for his creator. Why does Victor refuse to make a female? Why does Frankenstein destroy […]
What arguments did Thomas Paine use in common sense to persuade the colonists to declare independence?
What arguments did Thomas Paine use in common sense to persuade the colonists to declare independence? Published in January 1776 in Philadelphia, nearly 120,000 copies were in circulation by April. Paine’s brilliant arguments were straightforward. He argued for two main points: (1) independence from England and (2) the creation of a democratic republic. What was […]