Randomly pick 50 students from each grade level. 1:1 ratio of boys to girls. Randomly section 1/2 of the 50 students from each grade level into groups A and B. Have group A drink Starbucks. Have group B drink nothing. Hand the same academic test of mixed subjects to each student. Record the data.
Astronomers used to think that the universe was made up of <span>baryonic matter.
Now, astronomers say its made up of atoms, dark matter, and mostly dark energy. hope that helps!</span>
Answer:
Al + 2 KOH + 6 H 2O → 3 H 2 + 2 K[Al(OH) 4] This is a complexation reaction: K[Al(OH) 4] is the formed complex. ; Silvery-white, malleable, ductile, odorless metal.
Explanation:
I hope this help
The stratosphere. The lower boundary of the stratosphere is called the tropopause; the upper boundary is called the stratopause. Ozone<span>, an unusual type of oxygen molecule that is relatively abundant in the stratosphere, heats this layer as it absorbs energy from incoming ultraviolet radiation from the Sun.</span>