What is the definition of isotope

Is pH=2 an acid, a base, or neutral

What causes pressure? A. Converting phases B. Conduction of heat C. Changes in bonding D. Collisions of molecules

Chris has been experiencing trouble with her central vision. Her doctor confirms that Chris' condition is due to damage to the blood vessels. Which eye disorder was Chris diagnosed with? A. glaucoma B. exotropia C. macular degeneration D. amblyopia

NaCl is common table salt and is an ionic compound. Table salt can be stirred into water to create a salt-water solution.

What type of cell is a direct result of meiosis?

Which statement best describes the relationship between activation energy and rate of reaction? O Increasing the activation energy can increase the rate of a reaction. O Reducing the activation energy can increase the rate of a reaction.

Definition: this is a haploid cell with half the reproductive information from the parent.

Does a cell use energy when molecules diffuse in or out of the cell? Why?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.