Earth&#x27;s Oceans

2 ) Although the ocean is one continuous body of water, oceanographers have divided it into four principal areas: <svg viewBox="0 0 24 24" focusable="false" class="chakra-icon chakra-accordion__icon css-186l2rg" aria-hidden="true">

3 ) The ocean holds how much of Earth’s water supply? <svg viewBox="0 0 24 24" focusable="false" class="chakra-icon chakra-accordion__icon css-186l2rg" aria-hidden="true">

4 ) How much of the ocean floor have humans mapped with modern sonar technology? <svg viewBox="0 0 24 24" focusable="false" class="chakra-icon chakra-accordion__icon css-186l2rg" aria-hidden="true">

5 ) True or false: Scientists believe most species on Earth live in the ocean. <svg viewBox="0 0 24 24" focusable="false" class="chakra-icon chakra-accordion__icon css-186l2rg" aria-hidden="true">