Do plants grow better in white light or red light? RED light plants where expected to have a weaker growth rate receiving most of its nutrients from chlorophyll a. White light having a better balance of chlorophyll a, chlorophyll b, and the carotenoids and having all the photons of the visible light spectrum gave a […]
How many did the bird flu kill?
How many did the bird flu kill? June 5, 2019 – Since 2013 there have been 1,568 confirmed human cases and 616 deaths worldwide from the H7N9 strain of avian flu, according to the Food and Agriculture Organization of the United Nations. Can eating chicken cause bird flu? But in the case of the bird […]
How can two electrons occupy the same space and not repel?
How can two electrons occupy the same space and not repel? The two electrons exist in the same orbital while possessing the following forces : The electrostatic repulsion due to the negative charges they bear. The electrostatic attraction between the negatively charged electrons and the positively charged nucleus. The magnetic force of attraction due to […]
What causes stomach sharp pains?
What causes stomach sharp pains? Abdominal pain can be caused by many conditions. However, the main causes are infection, abnormal growths, inflammation, obstruction (blockage), and intestinal disorders. Infections in the throat, intestines, and blood can cause bacteria to enter your digestive tract, resulting in abdominal pain. What is stomach cramping a sign of? Abdominal Pain […]
How does the hydrosphere impact humans?
How does the hydrosphere impact humans? Humans have impacted the hydrosphere drastically and will only continue to due so based on population needs. Global climate change, water pollution, damming of rivers, wetland drainage, reduction in stream flow, and irrigation have all exerted pressure on the hydrosphere’s existing freshwater systems. How old is the hydrosphere? about […]
What country over consumes the most?
What country over consumes the most? China Which country uses most natural resources? While China is becoming the world’s leader in total consumption of some commodities (coal, copper, etc.), the U.S. remains the per capita consumption leader for most resources. Overall, National Geographic’s Greendex found that American consumers rank last of 17 countries surveyed in […]
What is the basis of Whittaker system of classification?
What is the basis of Whittaker system of classification? Whittaker proposed a system which recognizes five kingdoms of living things: Monera (Bacteria), Protista, Fungi, Plantae and Animalia (Table 8.1). Whittaker’s system of classification is based on 1) complexity of cell structure 2) mode of nutrition 3) body organization 4) phylogenetic or evolutionary relationship. What is […]
What kills a rat instantly?
What kills a rat instantly? For best results, consider using snap traps, which are a fast method to kill rats instantly. To prevent other animals from getting into the traps, place them inside a box or under a milk crate. Bait the traps with peanut butter, which is cheap and attractive to rats. Do onions […]
How does Pangea fit together?
How does Pangea fit together? In the case of Pangea, nearly all of the Earth’s continents were connected into a single landform. The name Pangea comes from an ancient Greek word meaning “all lands.” This term was first used in the early 20th century when Alfred Wegener noticed that the Earth’s continents seemed to fit […]
What is a wave that can only travel through matter?
What is a wave that can only travel through matter? mechanical wave Can sound waves travel where there is no matter? Sound cannot travel through a vacuum. A vacuum is an area without any air, like space. So sound cannot travel through space because there is no matter for the vibrations to work in. What […]