What type of variable is underlined in the scientific question below? What is the effect of the amount of water used on plant height?

1. independent variable

2. dependent variable

Choose appropriate way (s) that volcanoes might impact people living nearby:

Planarian, any of a group of widely distributed, mostly free-living flatworms of the class Turbellaria (phylum Platyhelminthes).

Which of the following is a beneficial characteristic of plastic grocery bags? A. hazard to wildlife B. frequently reused C. major source of waste D. non biodegradable

How is the skin the body's first line of defense? a. It secretes oil, which washes away pathogens. b. It secretes sweat, which raises the pH of the skin and kills pathogens. c. It forms a physical barrier to keep pathogens out. d.

The cytoplasm of a certain cell, such as a neuron, already has a high concentration of K ions. How can K ions continue to enter the cell and continue to increase in concentration

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.