The theory of continental drift proposes that the earth continents may have once been United as a supercontinent but have drifted apart over time. What was the name of the supercontinent?

Archaea and bacteria are similar in which of the following ways? They are prokaryotes. They reproduce by binary fission. They are believed to be the ancestors of plants. They have a cell membrane made of unusual lipids.

What was the first vitamin to be discovered scientifically

Which statements describe the Orion crew exploration vehicle? Check all that apply. It will replace the satellite Explorer 1. It will capture an asteroid to collect samples. It will have new and improved safety features.

Which of the ground tissue cell types do you think is most likely to have secondary walls? Explain your reasoning A. Parenchyma B. Collenchyma C. Sclerenchyma

A mental health client insists that the client's spouse is trying to poison the client. in this instance, the client is exhibiting which type of delusio

What percentage of information is considered visual while driving?

How will changing the rate of respiration affect an organism's mass

Explain how blood is prevented from flowering backwards in the heart

He phase of the cell cycle where dna replication, chromosome duplication and preparations for cell division occur is called

Why do you think phytoplankton are so important to all living things on earth?