What is the isotope notation for carbon-14? The primary natural source of carbon-14 on Earth is cosmic ray action on nitrogen in the atmosphere, and it is therefore a cosmogenic nuclide. However, open-air nuclear testing between 1955 and 1980 contributed to this pool….Carbon-14. General Symbol 14C Names carbon-14, C-14, radiocarbon Protons 6 Neutrons 8 How […]

How does soil help a plant? What does soil do for plants? Soil supports plant growth by providing: Anchorage: root systems extend outward and/or downward through soil, thereby stabilizing plants. Nutrients: soil supplies nutrients, and also holds the nutrients that we add in the form of fertilizer. What conditions led to the tallest plant? What […]

What happens after egg is fertilized? The fertilized egg stays in the fallopian tube for about 3 to 4 days. But within 24 hours of being fertilized, it starts dividing fast into many cells. It keeps dividing as it moves slowly through the fallopian tube to the uterus. Its next job is to attach to […]

Why is creativity important in science? Key Concepts Scientists use creativity to determine which smaller questions are likely to yield results, imagine possible answers to their questions, and devise ways to test those answers. Why is creativity considered a scientific attitude? Explanation: Creativity helps scientists come up with different experiments is the correct option. This […]

Who sets water quality standards? The U. S. Environmental Protection Agency (EPA) sets standards and regulations for many different contaminants in public drinking water, including disease-causing germs and chemicals. Who administers the Clean Water Act? EPA Who controls water quality? How does the government clean water? The Clean Water Act (CWA) establishes the basic structure […]

What are the 4 fat soluble vitamins? Fat-soluble vitamins are absorbed along with fats in the diet and are stored in the body’s fatty tissue and in the liver. They are found in many plant and animal foods and in dietary supplements. Vitamins A, D, E, and K are fat-soluble. What are the 5 fat […]

Why are some substances not able to dissolve in water? Many substances do not dissolve in water and that is because they are non-polar and do not interact well with water molecules. A common example is oil and water. Oil contains molecules that are non-polar, thus they do not dissolve in water. Therefore pure water […]

What is a safe distance to live from a nuclear power plant? within 10 miles Why we should not use nuclear power? Nuclear power plants are a potential target for terrorist operations. An attack could cause major explosions, putting population centers at risk, as well as ejecting dangerous radioactive material into the atmosphere and surrounding […]

What is the highest score you can get in archery? 300 points How high can an arrow be shot? A compound bow can shoot an arrow over 1,000 feet, but the farthest recorded shot that actually hit a target is 930.04 feet. Most archers stay within what is called the “effective range,” which is typically […]

What happens under the influence of FSH and LH? In men, LH stimulates testosterone production from the interstitial cells of the testes (Leydig cells). FSH stimulates testicular growth and enhances the production of an androgen-binding protein by the Sertoli cells, which are a component of the testicular tubule necessary for sustaining the maturing sperm cell. […]