Which nuclear emission has the greatest penetrating power?
(1) alpha particle (3) gamma radiation
(2) beta particle (4) positron

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?

Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.