A lawn mower is an example of a compound machine.

In flies, red eyes (R) are dominant to brown eyes (r). A heterozygous fly is crossed with a homozygous recessive fly

An oceanographer discovered a deep underwater opening as shown in the illustration. the scientist classifies this as a mid-ocean ridge. is the scientist correct or incorrect and why or why not?

the most likely cause of sinkholes in areas like Florida and Kentucky is (A) the water table being so close to the Earth's surface that water flows out (B) heated groundwater expanding underground until it shoots up (C) groundwater dissolving

Describe three ways mutations can occur.

In the Ramayana, Rama is aided by a. giant eagles b. serpent people from the underworld c. monkeys and bears d. winged elephants

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.