Sea-floor spreading adds about 2.5 cm of new material to iceland each year. how much wider will iceland be in 150 years? give your answer in meters

Imagine a rocket launching from earth and travelling to the moon. in which order would the rocket pass through the layers of the atmosphere? thermosphere, mesosphere, stratosphere, troposphere troposphere, mesosphere, stratosphere, troposphere thermosphere, stratosphere, mesosphere, troposphere troposphere, stratosphere, mesosphere, thermosphere

What best explains the inability for life to exist in earth early atmosphere

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion