How did mammals become the dominant life form on Earth? The mass extinction that struck at the end of the Cretaceous was one of the major events in earth’s history that greatly affected evolution by pruning back the tree of life, and it was in the wake of the extinction that mammals became the dominant […]
What is the importance of rockets?
What is the importance of rockets? Rockets are used to launch satellites and Space Shuttles into space. Their powerful engines allow spacecraft to be blasted into space at incredible speeds, putting them into the correct orbit. How did rockets impact the world? During the Song Dynasty (960-1279), the Chinese invented the first type of rockets: […]
When someone says good luck What do you reply?
When someone says good luck What do you reply? The most obvious and basic response to anyone wishing one good luck on any occasion is “thank you” or any of its many variants. “You too” can be added when appropriate, but would not be if the other person is not in the situation, whatever it […]
What things have exoskeleton?
What things have exoskeleton? Examples of animals with exoskeletons include insects such as grasshoppers and cockroaches, and crustaceans such as crabs and lobsters, as well as the shells of certain sponges and the various groups of shelled molluscs, including those of snails, clams, tusk shells, chitons and nautilus. Where would you find an exoskeleton? An […]
Why can polar molecules not pass through membrane?
Why can polar molecules not pass through membrane? Large, polar molecules (ex: simple sugar – glucose) and ions: The charge of an ion, and the size and charge of large polar molecules, makes it too difficult to pass through the nonpolar region of the phospholipid membrane without help. Can polar molecules go through diffusion? Nonpolar […]
How is a sweat test done on an infant?
How is a sweat test done on an infant? A special machine causes a small part of the baby’s arm or leg to sweat. The skin may feel warm and tingly for 5 minutes while the machine is on. Your baby may cry during this part of the test, but it is not painful. The […]
How do I know what size Kenmore washer I have?
How do I know what size Kenmore washer I have? To calculate the capacity (volume) of the tub, you multiply the area by the height. For example if your washer has a tub radius of 10 inches and the height is 14 inches, you would use the mathematical equation below. Area is pi x r-squared […]
What does unjoined mean?
What does unjoined mean? : to separate from a state of union : divorce. What do you call people who live in an area? A resident is someone who lives somewhere particular, or a doctor-in-training who takes care of the patients at a hospital under the supervision of other doctors. You are a resident of […]
Is 07404 a mobile network?
Is 07404 a mobile network? Which network uses 07404 numbers? 07404 numbers are officially allocated to Lycamobile for mobile phone services. However, customers are free to take their number with them when they change networks which means that an 07404 number is not a reliable indicator of which network a phone is currently connected to. […]
Who is in the Eurosystem?
Who is in the Eurosystem? The Eurosystem comprises the ECB and the NCBs of those countries that have adopted the euro. The Eurosystem and the ESCB will co-exist as long as there are EU Member States outside the euro area. Which countries are in the ECB? Members of the European Union and the euro area […]