A measurement of a star's brightness is called

Is it surprising that these genes would be of such similar lengths despite being from different species? Explain.

Two rows of transition metals are placed at the bottom of the periodic table to save space. elements in the first row are called what

At what temperature will the transition of water into ice take place?

Assume that two strands of dna have been separated and that the base sequence on one strand is atgc. state the sequence of bases on the second strand.

What is true of enzymes? A. They act as catalysts, age for one specific reaction B. They speed up or slow down any reaction in a living thing C. They only slow down reactions D. They only speed up reactions

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.