The report mentions that when Captain John Smith sailed into the waters of Chesapeake Bay on the eastern coast of the United States in 1607, a cannon that fell overboard was “clearly visible in over 30ft [9 m] of water. ”
એ મચ્છરો મનુષ્યોની ગરમી અને કાર્બન ડાયોક્સાઈડની અસરથી ભોગ બનતા હોય છે.