Dan states that a certain layer of the sun is like the brightest street lamp in a city. which layer of the sun is dan referring to? chromosphere convective zone photosphere radiative zone

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled

Using the thermodynamic information in the aleks data tab, calculate the standard reaction free energy of the following chemical reaction: →+p4o10s6h2ol4h3po4s round your answer to zero decimal places.