Is driving at low rpm bad? Low RPMs are fine if you’re just cruising or slowing down, but when you accelerate, low revs leave your engine with a gearing disadvantage. To get your car up to speed, the engine has to work a lot harder. Engine temperature will rise, and cylinder temperature will rise. This […]
What was the first machine?
What was the first machine? The earliest practical water-powered machines, the water wheel and watermill, first appeared in the Persian Empire, in what are now Iraq and Iran, by the early 4th century BC. What is manual machine? Manual machines are pieces of equipment or tools in the machine & fabrication shop that are operated […]
Can Orion be seen in both hemispheres?
Can Orion be seen in both hemispheres? One of the most recognizable constellations in the winter and spring sky is Orion, the great hunter. He is visible in both the Northern and Southern Hemispheres, although he seems to be standing on his head if you are looking at him from “down under.” What was the […]
Which state wastes the most water?
Which state wastes the most water? More than one-fourth of the total water used in the United States in 2015 was withdrawn in California, Texas, Idaho, and Florida. California accounted for 9 percent of all withdrawals in the United States in 2015. What is the largest consumer of California Water? While the Golden State isn’t […]
What are the three ways of conserving resources?
What are the three ways of conserving resources? Conservation means saving resources. To save natural resources, follow the three “R”s: reduce, reuse, and recycle. Why is it important to manage air and water resources wisely? In terms of human healthy, why is it important to manage air resources wisely? So we can survive and breathe […]
What is the correct order of the central dogma?
What is the correct order of the central dogma? How genes in DNA can provide instructions for proteins. The central dogma of molecular biology: DNA → RNA → protein. What are the steps in gene expression? The process of gene expression involves two main stages: Transcription: the production of messenger RNA (mRNA) by the enzyme […]
What is the most common metalloid?
What is the most common metalloid? Silicon What are the 8 metalloids? Boron, silicon, germanium, arsenic, antimony, and tellurium are commonly recognised as metalloids. Depending on the author, one or more from selenium, polonium, or astatine are sometimes added to the list. What’s the only metalloid in Period 6? The metalloids; boron (B), silicon (Si), […]
Why we move from top to bottom in a group?
Why we move from top to bottom in a group? Answer. Explanation: when we move from top to bottom in a modern periodic table the atomic size increases because the number of electron and proton and neutron increased. Does atomic radius increase from top to bottom? The atomic radius of atoms generally increases from top […]
How do solar flares affect humans?
How do solar flares affect humans? What is the danger of a solar storm in space? Very high-energy particles, such as those carried by CMEs, can cause radiation poisoning to humans and other mammals. They would be dangerous to unshielded astronauts, say, astronauts traveling to the moon. Large doses could be fatal. Can solar flares […]