Which Shield Life is harmful? The ozone layer in the stratosphere shields life on Earth from most UV-B and UV-C, the most harmful varieties of ultraviolet radiation. What is Earth’s atmosphere made of? The air in Earth’s atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts […]
What are some good insulators?
What are some good insulators? Plastic, rubber, wood, and ceramics are good insulators. These are often used to make kitchen utensils, such as saucepan handles, to stop heat from flowing up to burn the cook’s hand. Plastic coating is also used to cover most electrical wires in appliances. Air is also a good insulator of […]
Which current is used in our home?
Which current is used in our home? Alternating current Which type of current is obtained from solar cell? direct current Where is solar used? We consulted several reports to determine which countries use the most solar energy and which parts of the world have the highest solar production capabilities….Installed solar capacity by country (2018 data) […]
What comes through nuclear pores?
What comes through nuclear pores? Each nuclear pore is a large complex of proteins that allows small molecules and ions to freely pass, or diffuse, into or out of the nucleus. Similarly, RNA transcribed in the nucleus and proteins that are destined to enter the cytoplasm have nuclear export sequences that tag them for release […]
What is the SI unit of specific heat capacity?
What is the SI unit of specific heat capacity? Specific heat capacity is defined as the amount of heat required to raise the temperature of 1 kilogram of a substance by 1 kelvin (SI unit of specific heat capacity J kg−1 K−1). What is the specific heat capacity of HCl and NaOH? 4.017 J/g°C. What’s […]
What are the two main classifications of minerals?
What are the two main classifications of minerals? The two kinds of minerals are: macrominerals and trace minerals. Macro means “large” in Greek (and your body needs larger amounts of macrominerals than trace minerals). The macromineral group is made up of calcium, phosphorus, magnesium, sodium, potassium, chloride, and sulfur. How many types of minerals are […]
How hot is too hot for winter tires?
Which of the following are characteristics of a generalist species?
Which of the following are characteristics of a generalist species? A generalist species is able to thrive in a wide variety of environmental conditions and can make use of a variety of different resources (for example, a heterotroph with a varied diet). A specialist species can thrive only in a narrow range of environmental conditions […]
Why did F1 stop using slicks?
Why did F1 stop using slicks? Formula 1 got rid of the ‘slicks’ and re-introduced ‘grooved’ tyres. The sole purpose of the move was to curb the increasing cornering speeds. Those grooved tyres had three parallel grooves in the front tyres and four parallel grooves in the rear tyres. Are F1 Tyres smooth? ‘Slick’ tyres […]
Which material does sound travel fastest through?
Which material does sound travel fastest through? How fast speed travels, or the speed of sound, depends on the kind of matter it is moving through. Of the three phases of matter (gas, liquid, and solid), sound waves travel the slowest through gases, faster through liquids, and fastest through solids. Can you hear sounds better […]