How do we know the universe is as old as it is? We do not know the exact age of the universe, but we believe that it is around 13 billion years – give or take a few billion. Astronomers estimate the age of the universe in two ways: (a) […]
How does a relationship begin?
How does a relationship begin? Directly initiating a relationship through physical contact and asking a partner to start a relationship. Using a third person, such as a friend or family member, to initiate the relationship. Acting passively and waiting for the other person to make the first move. How do […]
Does Russia have first strike capability?
Does Russia have first strike capability? Nuclear forces are still maintained with a mission to repel a land invasion of Europe. But the threat that once justified nuclear forces designed to strike first against the Russian army is simply no longer present. The other first-use mission against Russia is the […]
Did the Battle of Thermopylae really happen?
Did the Battle of Thermopylae really happen? The battle took place simultaneously with the naval battle at Artemisium. It occurred at the narrow coastal pass of Thermopylae (“The Hot Gates”) in August or September 480 BC. Is the Battle of Thermopylae exaggerated? Still a tiny figure compared to the forces […]
Can you catch HIV from one exposure?
Can you catch HIV from one exposure? The chances of developing HIV after exposure depends on factors such as the method of exposure, the infected person’s viral load, and the number of exposures you had. It’s possible to develop HIV after a single exposure, even if it’s statistically unlikely. What […]
How much is average rent in Singapore?
How much is average rent in Singapore? For a single person in Singapore, their average expenses (excluding rent) are around 800 SGD (575 USD) per month….Approximate Monthly Rent in Ang Mo Kio (Private Property) Studio apartment 1,700 SGD 1,220 USD Three-bedroom apartment 2,700 SGD 1,950 USD How much is a […]
Is it OK to rant?
Is it OK to rant? Blowing off steam online may feel cathartic for the author in the short term. However, experts say ranting can produce long-term health consequences for both the ranter and the reader. Ranting can be good for our health when we’re talking to a friend in person […]
How can I see my friend request on hike?
How can I see my friend request on hike? Answer: Follow the steps below to view all pending requests you have received that await your acceptance: Tap on the “Me” tab on home screen. Tap on the “Friends” menu. Now tap on Requests. You can also add Friends from this […]
How much fuel does a prop plane use?
How much fuel does a prop plane use? Small engines that are around 65 HP burn 2.5 3 gallons per hour. Those engines with 400 HP burn about 20 GPH in cruise mode. It is still exponentially lesser than that of a commercial aircraft. For instance, a Boeing 747 uses […]
Is air conditioning really bad for the environment?
Is air conditioning really bad for the environment? Excessive use of air conditioners emits greenhouse gases that are harmful to the environment. While the use of air conditioning systems cannot be eliminated, it is essential to find a middle ground for the efficient use of these systems and eco-friendly HVAC […]
How much greenhouse gases are produced by humans each year?
How much greenhouse gases are produced by humans each year? Key Points. In 2019, U.S. greenhouse gas emissions totaled 6,558 million metric tons (14.5 trillion pounds) of carbon dioxide equivalents. This total represents a 2 percent increase since 1990 but a 12 percent decrease since 2005 (see Figure 1). For […]