1. What are surface currents? A current is a stream of moving water that flows through the ocean. Surface currents are caused mainly by winds but not daily winds. Surface currents are caused by the major wind belts.
2. How do surface currents differ from deep ocean currents? Unlike surface currents, which are driven by interactions with sun and wind, deep currents are caused by the interaction between temperature and water density. The higher the salt content of water, the more dense it is.
3. Give three main factors that affect surface currents. Surface currents are controlled by three factors: global winds, the Coriolis effect, and continental deflections. surface create surface currents in the ocean. Different winds cause currents to flow in different directions. objects from a straight path due to the Earth's rotation.
4. Indicate whether true or false. Explain why this is so. La Nina is quite the opposite of El nino. El Niño and La Niña are opposite phases of what is known as the El Niño-Southern Oscillation (ENSO) cycle. The ENSO cycle is a scientific term that describes the fluctuations in temperature between the ocean and atmosphere in the east-central Equatorial Pacific (approximately between the International Date Line and 120 degrees West).
La Niña is sometimes referred to as the cold phase of ENSO and El Niño as the warm phase of ENSO. These deviations from normal surface temperatures can have large-scale impacts not only on ocean processes, but also on global weather and climate.
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Answer:
disruptive
Explanation:
Sympatric speciation is a speciation (evolution of new species) that occurs when one group of population becomes isolated, but stays in the same geographic location as the rest of the population. Through time, these two group evolve independently and become different species.
The model that shows this type of speciation involves disruptive selection: homozygous individuals are favoured over heterozygous in a population, which leads to speciation.
resupplying the ground water
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Answer: Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
Buy less plastic and bring a reusable shopping bag. Use long-lasting light bulbs. Energy efficient light bulbs reduce greenhouse gas emissions. Also flip the light switch off when you leave the room!