How are mosses and horsetails similar to ferns

One group of reptiles, characterized by the fossil ark metal x

What came first egg or chicken? and is tomato a vegetable or a fruit?

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