What is the difference between a theory and a hypothesis? Hypothesis: What’s the Difference? A hypothesis proposes a tentative explanation or prediction. A theory, on the other hand, is a substantiated explanation for an occurrence. Theories rely on tested and verified data, and scientists widely accepted theories to be true, though not unimpeachable. What is […]
What is the natural predator of water hyacinth?
What is the natural predator of water hyacinth? Water hyacinth was introduced to North America in 1884 and later to Asia, Africa, and Australia. Since there are no natural enemies in the new location, it can multiply quickly and cause disaster. What are I’ll effects of an invasive species like water hyacinth? The conditions created […]
What are 3 ways flowers can be pollinated?
What are 3 ways flowers can be pollinated? Pollination occurs when birds, bees, bats, butterflies, moths, beetles, other animals, water, or the wind carries pollen from flower to flower or it is moved within flowers. What can you infer about a brightly colored flower? What can you infer about a brightly-colored flower? It can only […]
What is a friction coefficient?
What is a friction coefficient? Coefficient of friction is defined as the ratio of the force required to move tow sliding surfaces over each other, and the force holding them together [18]. What is static coefficient of friction? 13.2. The coefficient of static friction is the ratio of the maximum static friction force (F) between […]
Which element has the strongest coulombic attraction?
Which element has the strongest coulombic attraction? Magnesium ion has a higher coulombic attraction compared to the coulombic attraction of Sodium. This is why Magnesium ion is more reactive than Sodium Ion. (Sodium has a +1 charge and Magnesium has a +2 charge. Magnesium has a higher coulombic attraction than sodium.) Which best describes the […]
What property of water causes materials to dissolve?
What property of water causes materials to dissolve? polarity What is a substance that hates water called? a substance that hates or “fears” water is called. hydrophobia. Which property of water allows bugs to walk on water? surface tension Are water striders dangerous? Water Striders are considered beneficial because they prey on other insects including […]
What is the best stretch of Highway 1?
What is the best stretch of Highway 1? The best of California’s Highway 1 SUPER RICA, SANTA BARBARA. HEARST CASTLE, SAN SIMEON. VENTANA INN & SPA, BIG SUR. NEPENTHE, BIG SUR. POINT LOBOS STATE NATURAL RESERVE. MISSION RANCH, CARMEL. PEBBLE BEACH. MONTEREY BAY AQUARIUM, MONTEREY. Is Route 1 in California Dangerous? Even in great weather […]
Can other consumers live in an ecosystem without plants?
Can other consumers live in an ecosystem without plants? Decomposers secrete enzymes that break down their food outside their bodies. Then these organisms absorb the nutrients that are released. However, although an ecosystem can exist without consumers, no ecosystem can survive without producers and decomposers. The simplest food chain is producer —>• decomposer. What does […]
What do different ship horns mean?
What do different ship horns mean? One short blast = Changing course to starboard (right) Two short blasts = Changing course to port (left) Three short blasts = Operating in reverse. Five short blasts = Danger signal. Two long blasts = Leaving berth. What does it mean when a ship lists? “Listing” is a nautical […]
Why are ice skates slippery?
Why are ice skates slippery? The “slippery” nature of ice is generally attributed to the formation of a thin layer of liquid water generated by friction, which for instance allows an ice skater to “surf” on top of this liquid film. Do skates melt ice? A 150-pound person standing on ice wearing a pair of […]