What are the five pieces of evidence of evolution? There are five lines of evidence that support evolution: the fossil record, biogeography, comparative anatomy, comparative embryology, and molecular biology. What are the 4 factors of evolution? Construct an explanation based on evidence that the process of evolution primarily results from four factors: (1) the potential […]
Do trees stay green in Florida?
Do trees stay green in Florida? Yes, although Florida has a much warmer climate, many commonly Florida grown trees do go dormant and completely lose their leaves in the winter months. This time of year we receive a lot of inquiries asking if their tree is dying as the leaves are turning brown and dropping. […]
What is the third side of a triangle?
How is a wheelbarrow an example of a second-class lever?
How is a wheelbarrow an example of a second-class lever? A wheelbarrow is a second-class lever. The wheel’s axle is the fulcrum, the handles take the effort, and the load is placed between them. The effort always travels a greater distance and is less than the load. Is a bottle opener a second-class lever? Under […]
Is optimism a choice?
Is optimism a choice? Optimism is an attitude and a choice. It involves context and focus. We’re not deluding ourselves with the reassurance that everything is going to be okay (because that’s not productive). Instead, we’re committed to finding things we can contribute to, work on and improve. Why Being optimistic is not good? Over-optimism […]
Which molecule is most soluble in water?
Which molecule is most soluble in water? propanoic acid Why are organic compounds insoluble in water? Because it is a very non-polar molecule, with only carbon-carbon and carbon-hydrogen bonds. It is able to bond to itself very well through nonpolar van der Waals interactions, but it is not able to form significant attractive interactions with […]
How many lights can you put on one circuit?
What will happen when two oppositely charged balloons are brought close together?
What will happen when two oppositely charged balloons are brought close together? In contrast to the attractive force between two objects with opposite charges, two objects that are of like charge will repel each other. That is, a positively charged object will exert a repulsive force upon a second positively charged object. This repulsive force […]
Does the jet stream affect the weather?
Does the jet stream affect the weather? How Do Jet Streams Affect Weather? The fast-moving air currents in a jet stream can transport weather systems across the United States, affecting temperature and precipitation. However, if a weather system is far away from a jet stream, it might stay in one place, causing heat waves or […]
Why are two solvents used in chromatography?
Why are two solvents used in chromatography? Why are two solvents used in the process? Different pigments will be soluble in one solvent but not another. Better separation of pigment bands will result if a combination of solvents is used. Why is water not used in chromatography? Answer. Explanation: It’s better to use a solvent […]