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 […]
How would the absence of gravity affect the formation of planets quizlet?
How would the absence of gravity affect the formation of planets quizlet? How would the absence of gravity affect the formation of planets? A. The rocks and debris would take longer to accrete into a planet. What role does gravity play in the formation of the sun? What role did gravity play in forming the […]
Why is the sea water tastes salty?
Why is the sea water tastes salty? Ocean salt primarily comes from rocks on land. Rocks on land are the major source of salts dissolved in seawater. Rainwater that falls on land is slightly acidic, so it erodes rocks. This releases ions that are carried away to streams and rivers that eventually feed into the […]
What are the three difference between distance and displacement?
What are the three difference between distance and displacement? Distance is a scalar quantity as it only depends upon the magnitude and not the direction. Displacement is a vector quantity as it depends upon both magnitude and direction. The distance can be measured along a non-straight path. Displacement can only be measured along a straight […]
Is it possible to change the polarity of an electromagnet?
Is it possible to change the polarity of an electromagnet? Yes, we can change the polarity of an electromagnet by reversing the direction of the current. Can electromagnets repel? Electromagnets Repelling an Electromagnet Magnetech opposite pole electromagnets (magnetic pole on each end) can repel each other. There has to be a little air gap between […]
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 […]
Why is dance important to the world?
Why is dance important to the world? Through dance, students learn teamwork, focus, and improvisational skills. Dance awakens new perceptions in children which help them learn and think in new ways. Children need to express and communicate their ideas and to be given the opportunity to make creative decisions, even at a young age. How […]
What year is The Lion King set in?
Why do artists cover songs?
Why do artists cover songs? Musicians now play what they call “cover versions” (the reworking, updating or interpretation) of songs as a tribute to the original performer or group. Tribute acts or bands are performers who make a living by recreating the music of one particular artist or band. Do artists pay to cover songs? […]
What kinds of materials were used to make dwellings in the Neolithic period?
What kinds of materials were used to make dwellings in the Neolithic period? large stone and wood. bones, tusks, branches. small stones and pebbles. What kind of material could have been used by early humans to make homes or shelters? Tools and a knowledge of building construction enable people to create dwellings from such raw […]