The monomer used as the building block in polyethylene is? Ethene, ethane, monoethane, amino acids?

It takes Amir 4 seconds to run from his front door to the mailbox. If he can run at a top speed of 6.5 m/s, how far is it from his front door to the mailbox? A) 24.5 meters B) 26 meters C) 30.5 meters D) 32 meters

Why does cold water have less thermal energy than hot water?

On October 21, 2001, Ian Ashpole of the United Kingdom achieved a record altitude of 3.35 km (11 000 ft) powered by 600 toy balloons filled with helium. Each filled balloon had a radius of about 0.54 m and an estimated mass of 0.27 kg.

Genes are sections of DNA that code for a particular trait. Genes are. A. Protein B. Lipids C. Nucleic Acids D. Carbohydrates

A current is always developed in the secondary of a transformer. true or false

What type of waves move energy forward, but the source makes up and down

Why do helium balloons float? Talk about density of atoms and compare to elements in the air.

Identify and describe the metal in table salt

150kg object takes 1.5minutes to travel 2,500 meter straight path it begins the trip traveling 120m/s and decelerates to a velocity of 20m/s whats its acceleration

Which statement is true about the solar system