Ships use _____ to find the depth of the water beneath them.
A. pitch
B. echo
C. frequency
D. none of these » Read More…
A. pitch
B. echo
C. frequency
D. none of these » Read More…
A. Tafseer e Quran
B. Serat e Nabvi
C. Fiqah
D. Hadith » Read More…
A. Don River
B. Roe River
C. North Fork River
D. Indus River » Read More…
A. North America
C. South Sudan
D. South America
A. Germany
B. South Sudan
D. Russia