Sonar signals and infrared light are are used to send messages to submarines deep under water. if we compare the two signals, which statement describes a difference between the two?

According to the tide table below what time of day will the highest tide occur?

Word equation for k+ h2o yield koh + h2

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.