The thermosphere is the hottest layer in the atmosphere because

It is the closest to the sun

Air molecules generate heat

Greenhouse gases absorb cold

The ozone layer reflects the suns heat

Two or more substances mixed together but not bonded create?

Compare and contrast the processes of mitosis and meiosis Describe two processes that occur in both mitosis and meiosis think about the cells at the outcome of both processes. how are they different? explain at least two difference

Name three reasons that this area has a high rate of speciation and explain

Whats are earths major spheres and how do they support life

Select all that apply. What characteristics do mutations have? 1. always harmful 2. occasionally beneficial 3. omission of information 4. addition of information 5. mistakes in copying

The process by which the information contained in RNA is used to build a protein is called replication. synthesis. translation. transcription.

Seedless bananas were probably first caused by a blank

TMV destroys chloroplast in a leaf explain how this could affect the growth of the plant

A scientific name has to refer to what

The changes in the surrounding environment can have an effect on plants too for a few weeks on the autumn season normally green leaves of deciduous plants acquire a red to yellow color how and why does this change in color happen?