百度试题 结果1 题目Describe the layers of the Earth.相关知识点: 试题来源: 解析 The layers of the Earth are 反馈 收藏
Describe the three main layers of the Earth. Crust: The thin, outer layer of the earth. Less than 1% of the Earth’s mass.Made of solid rock, broken into platesMantle: Molten rock on which plates float. Contains 67% of the earth’s mass.Core: Inner layer of the Earth. Made of ...
but he couldn't prove it…because he only had evidence from the one North American mountain chain.But his studies gave him an idea about why rivers started to change—he hypothesized it had to do with the spread of plant life on Earth.FEMALE STUDENT: So … there was no plant life befor...
In science, cloud computing is a ( 请作答此空)for distributed computing over a network, and means the ()to run a program or apppcation on many connected computers at the same time.The architecture of a cloud is developed at three layers: infrastructure, platform, and apppcation. The ...
Dark brown skin gleaming as it cleaves the layers of the sea. A boy, a man…no, somewhere in between. Once the viewpoint character gets closer to him, Bowen describes his eyes. While keeping readers from having a jarring experience is important in most cases, it’s not the primary purpo...
describe the time and relationship between events that happened during the history of Earth. Because earth is over 4,570 million years old, the time scale that humans use to mark their own time-days, years, and centuries-is in too small of increments to be of use when measuring Earth ...
But his studies gave him an idea about why rivers started to change-he hypothesized it had to do with the spread of plant life on Earth. Female student: So, there was no plant life before 450 million years ago? Male professor: Very little according to fossil records. ...
T he geologic time scale was first thoughtup in the late 17th century by Danish geologist Nicholas Steno, who concluded that rock layers found on Earth were laid down over certainperiods of time, and by studying the formation and composition of rock, a time scale couldbe created of Earth. ...
Along with genetics, fossils are one of the most useful windows we have into the natural history of life on Earth. Essentially, a fossil is a record of an organism, showing and the size, shape and texture of different body parts. Common examples of fossi