What is the main cause of ocean currents? A. Wind B. Gravity C. Magnetic fields D. Temperature differences 相关知识点: 试题来源: 解析 A。本题考查洋流的主要成因。选项 A,风是洋流的主要动力来源;选项 B,重力不是洋流的主要成因;选项 C,磁场对洋流的影响较小;选项 D,温度差异会引起海水密度变化,...
根据第一段的“This means that as well as carrying seaweed and pieces of materials quickly out to sea, they can rapidly sweep away even the strongest swimmers. Around 80 percent of all lifeguard rescues are caused by powerful rip currents pulling a swimmer into danger.(这意味着,它们不仅能迅速...
百度试题 结果1 题目What primarily drives the deep ocean currents? A. Coriolis forces. B. Deep sea vents. C. Density differences between water bodies. D. Rotation of the E. arth.E) Winds. 相关知识点: 试题来源: 解析 C 反馈 收藏
What Are Ocean Currents?Alice Kelly
Rip currents (裂流) are like the rivers of the sea, transporting water near the shore back out into the ocean depths. The presence of these currents can be hidden by the wild movements of the surrounding waves. This means that as well as carrying seaweed and pieces of materials quickly ...
A. Increase in fish populations. B. Change in climate patterns. C. Improvement of water quality. D. Decrease in ocean acidity. 相关知识点: 试题来源: 解析 B。解析:气候变化导致洋流变化,可能会引起气候模式的改变。洋流变化不一定会增加鱼类数量、改善水质或降低海洋酸度。反馈...
The young man is working hard to clean up the ocean to make our worldbetter place. Would you like to join them? 【考点】 科普环保类; 记叙文; 语法填空(语篇) 普通 课时演练 换一批 1. Tom likes China because Chinese people are (friend). 语法填空(单句) 普通 2. Write a letter to your...
Know what kind of creatures live in the ocean Name the three areas of oceanography study Practice Exams You are viewing quiz 18 in chapter 2 of the course: Earth Science for Kids Course Practice 22 chapters | 278 quizzes Ch 1. Overview of Astronomy for Elementary... Ch 2. Branch...
(沙漠) areas reduce from 42 million square kilometers to 3l million square kilometers. This may have something to do with the changing weather. Therefore, you can see rich green landscapes from Central Africa to the Middle East, which are mostly covered with deserts now. More ...
and in the Southern Hemisphere, they blow from the southeast to the northwest. Although there are exceptions, the trade winds are typically predictable and reliable; colonial mariners counted on them to propel their shipping vessels. The trade winds also help drive ocean currents in the tropics. ...