Which is the first era of Earth's history?

What three steps describe how an animal obtains and uses energy for growth

What type of carbohydrate does rice contain

Jim and Lisa both have insect collections. Jim is grouping and comparing the properties of the insects. Lisa is comparing and contrasting different insects. Which one is doing a science investigation? A. Lisa only B. both Jim and Lisa C. Jim only D.

Why would there be a concern if we lost our rain forest?

Where did the earth get all of the heavy elements that it is made of?

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.