A garden is an example of a

What best describe the sex chromosome in humans? A. Male have two X chromosomes. B. Females have two Y Chromosomes C. Male have two Y chromosomes D. Males have one X and one Y chromosomes.

What two factors show us how bright the star looks from earth

Many people find that they become ill with a cold after traveling by airplane. The air circulation systems of commercial aircraft use HEPA filters that should remove any infectious agents that pass through them.

Which ion aids in the release of neurotransmitter from a neuron?

Why it is necessary to critique a scientific argument before it is accepted.

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.