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When do lupines flower?

Lupines can grow to be 5 feet tall with 18-inch spikes of flowers in various shades of pink, purple, red, yellow and white. There are rainbow lupine seed mixes that are sold commercially throughout the United States. The original blue lupines are the hardiest of the plant types. In a rainbow mix of lupine seeds, the blue eventually take over and become a perennial, and the other colors die off. The varieties of lupine include Russell mixed colors, which consist of hybrid rainbow and bicolor flowers, lupinus polyphyllus, which consist of a wildflower mixture with only blue flowers, and a galler..

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What is a solvent?

The basic chemistry rule regarding solvents is that "like dissolves like." For example, water, being a solvent composed of polar molecules, dissolves salt, which is itself composed of polar molecules. Gasoline, a solvent composed of non-polar molecules, dissolves wax, which is also composed of non-polar molecules. Other well-known solvents include benzene, tetrachloroethylene and turpentine. When two substances are unlike, as with oil and vinegar, one does not dissolve into the other; instead, the substances separate, maintaining their own identities.

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How many light-years away is Pluto?

Pluto's distance from the Sun varies from 4.4 billion km at perihelion to 7.29 billion km at its furthest point. Earth has a less elliptical orbit and tends to be 150 million km from the Sun throughout its orbital period. The maximum separation between the two worlds occurs when Pluto is at its aphelion and the Earth is on the other side of the Sun. The closest approach comes when Pluto is at perihelion and the Earth is between it and the Sun. In the first case, the separation is 4.25 billion km, and in the second it is 7.44 billion, or 4.25 to 7.4 light-hours.

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What happens to the density of a liquid when it is heated?

Use the equation D=m/V, where D is density, m is mass and V is volume, to find the density of a liquid. In this case, mass remains constant, and only volume increases. As water is heated, energy is added to the molecules, causing them to move faster. This increase in velocity causes the molecules to take up more space, so the volume increases. Since the mass of the liquid remains constant and volume increases, the density must decrease.

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What does urine consist of?

Typically, healthy urine is yellow to clear in color. The color depends on the balance of water and solutes in the urine. People who are dehydrated have more solutes than water in their urine and thus have darker urine. Normal urine also has a pH between 4.6 and 8. Any pH below 7 is considered to be acidic and anything above 7 is considered to be basic. The pH of normal urine is dependent on diet. For example, people who eat high-protein diets often have acidic urine, and vegetarians often have more basic urine.

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What does the right side of the brain control?

A head injury that affects the right side of the brain may lead to specific symptoms. Damage to the right hemisphere may lead to communication and cognition issues. Symptoms of right hemisphere damage include attention difficulties, left-side neglect, memory issues, organization issues, spatial orientation issues, difficulty solving problems, difficulty reasoning and difficulty with social communication. Injuries to the right hemisphere can occur as a result of a stroke, surgery, a traumatic brain injury, a tumor or an infection.

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What animals eat grasshoppers?

As herbivores, grasshoppers spend much of their time grazing and searching for flowers, seeds, leaves and stems to eat. Their bright green bodies help them blend in with foliage. Some species deliberately consume toxins in their diets, producing vibrant coloring that warns potential predators to find tastier prey elsewhere.\nWhile foraging or hiding near meadows and grassy marshes, grasshoppers are often hunted by larger insects, including praying mantises, dragonflies, crickets and yellow jackets. A wide range of birds, including blackbirds, hawks and blue jays, can also swoop in and catch gr..

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Where can you find the propane prices for 2014?

In addition to historical records, the EIA also offers analysis and predictions pertaining to propane prices. The year 2014 saw the most expensive propane prices ever recorded; the peak price occurred in February, when propane sold on average for $3.69 per gallon. This represented a 59 percent rise from the cost of propane in February 2013.

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What is the process for sunflower reproduction?

When sunflowers have fully flowered, their anthers produce a sweet pollen mixture that attracts bees. The anthers are the outer area of the stamen, which is the flower's male sexual organ. The bees then use the nectar to create honey. When the bees drink the nectar, the pollen sticks to the bee's feet.\nAs the bee moves between different sunflowers to drink their nectar, the pollen on their legs comes into contact with the stigma, a sticky outer end of the flower's female reproductive organ known as the pistil. Once the pollen is forced into the stigma, it releases sperm, which ..

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How is natural gas extracted?

Natural gas extraction involves using hydraulic pressure to make gas rise from deep wells to the surface. This begins with drilling a hole deep into the ground, then using high-pressure fluids to create fractures in the area where gas is present. Once the fractures are complete, fluids move to the surface.Once the fluids reach the surface, it is necessary to separate the gas from other substances. Such substances include crude oil, condensate, water and sand. A lot of hydrocarbons are present, and although they are the primary molecules found in gas, it is necessary to refine them further to p..

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