Is it possible for humans to walk on water? There’s a simple reason you can’t walk on water: Humans are so big that the force of gravity overcomes the so-called surface tension of water, making us sink. By vigorously rowing along the surface, striders create swirls that help propel them forward, all without rupturing the […]
What plants are in the tropical dry forest?
What plants are in the tropical dry forest? Drought-resistant epiphytes (orchids, bromeliads and cacti) may be abundant. The trees have thicker, more ridged, bark; deeper roots without buttresses; much more variable leaves, including many compound-leaved legumes; and more species with thorns. How do humans affect the tropical dry forest? Deforestation and farming land for cattle […]
How many elements are there in the transition metals?
How many elements are there in the transition metals? 35 elements What group number is transition metals? Many scientists describe a “transition metal” as any element in the d-block of the periodic table, which includes groups 3 to 12 on the periodic table. In actual practice, the f-block lanthanide and actinide series are also considered […]
How long will it take to lose 50 lbs on 1200 calories a day?
What happens when you overcharge a capacitor?
What happens when you overcharge a capacitor? Once a capacitor has more than rated voltage applied to it the chances for a catastrophic even increase. The first signs of overvoltage are a swelling of the capacitor case and leakage of the electrolyte ( in the case of a capacitor with an electrolyte such as aluminum […]
What is the myth behind Draco?
What is the myth behind Draco? In the myth, Draco represents Ladon, the dragon that guarded the golden apples in the gardens of the Hesperides. The golden apple tree was a wedding present to Hera when she married Zeus. She planted the tree in her garden on Mount Atlas and tasked Atlas’ daughters, the Hesperides, […]
How does the mass of the products in a chemical reaction compare?
How does the mass of the products in a chemical reaction compare? During a chemical change, the composition of matter always changes. In a chemical reaction, how does the mass of the reactants compare with the mass of the products? During a chemical reaction, the mass of the products is always equal to the mass […]
Where do the majority of greenhouse gases come from?
Where do the majority of greenhouse gases come from? In the United States, most of the emissions of human-caused (anthropogenic) greenhouse gases (GHG) come primarily from burning fossil fuels—coal, hydrocarbon gas liquids, natural gas, and petroleum—for energy use. Which is not a greenhouse gas? Examples for greenhouse gases: Carbon dioxides, Methane, Chlorofluorocarbon, sulphur dioxide. Whereas […]
What are the two types of pure substances?
What are the two types of pure substances? The two main types of pure substances are compounds and elements. They consist of a single type of particle or compound. What are pure substances Class 9? A pure substance is a substance which has only one type of atoms or molecules thereby having a constant composition […]