Examlex
In the proton-proton chain,the net reaction is that four hydrogen nuclei are converted to one helium nucleus and ________ are released.
Double Negative
A grammatical construction where two forms of negation are used in the same sentence, often resulting in a positive statement.
Not Snowing
The condition or fact of it not being a time or event during which snow is falling from the sky.
Snowing
The precipitation of snowflakes from the atmosphere, usually resulting in a white covering of the ground.
Proposition
A proclamation that asserts a judgment or opinion.
Q5: The solar neutrino problem was solved by:<br>A)
Q15: What two factors control a planet's temperature?
Q18: Grand unified theories are very attractive because
Q30: How do astronomers explain the role of
Q33: Based on the number of impact craters
Q33: Stars that travel in the same direction
Q47: Complex microorganisms that have complex DNA enclosed
Q49: Ganymede is one of the largest moons
Q56: The chronological description of an asteroidal fragment
Q56: Approximately how often do lunar eclipses occur?<br>A)