It is useful so that way people understand what happened years ago.
Answer:
As the disappearance of the otters, the diet of the glaucous-winged gulls change from eating fishto consuming invertebres mainly. When Otters disappear, kelp is also disappear and that leads to the disappearance of kelp fish. Due to survival of the fittest, glaucous-winged gulls have to switch their diet to mainly invertebres.
Explanation:
Hope this helps
Answer:
Steam engines use hot steam from boiling water to drive a piston (or pistons) back and forth. The movement of the piston was then used to power a machine or turn a wheel. To create the steam, most steam engines heated the water by burning coal.
Explanation:
your first question is boiling water
second question is Before steam power, most factories and mills were powered by water, wind, horse, or man. Water was a good source of power, but factories had to be located near a river.
the last one is While the Spaniard first patented a steam-operated machine for use in mining, an Englishman is usually credited with inventing the first steam engine. In 1698, Thomas Savery, an engineer and inventor, patented a machine that could effectively draw water from flooded mines using steam pressure.
The answer is B hope it helps
None of those are actually true. The Soviet Union didn't have any missiles in Turkey, it was actually the U.S. that had ICBMs near the Caucuses. They would later be dismantled because of the Cuban Missile Crisis. Khrushchev certainly didn't agree to allow American forces to occupy Cuba and Remove Castro. The U.S. didn't back down, President Kennedy stood his ground and eventually Khrushchev removed the missile sites from Cuba. Lastly, Kennedy and Khrushchev didn't divide the island of Cuba between the U.S. and the USSR. What actually happened <span>was that Khrushchev agreed to remove Russian missiles from Cuba in exchange for a promise from the United States to respect Cuba’s territorial sovereignty</span>