<u>Answer:</u>
<em>A country’s gross domestic product is the total amount of </em><u>goods and services</u><em> produced in a given year.</em>
<u>Explanation:</u>
Gross domestic product or the GDP is defined as the total number of monetary or market value in which all the goods which are well produced and the features which is delivered inside the country within a specified time.
<em>This method is used all over the world to measure the GDP of their respective region or area.</em>
Answer:
(1) Type of lava erupted and its viscosity; (2) Steepness of the ground over which it travels; (3) Whether the lava flows as a broad sheet, through a confined channel, or down a lava tube; and (4) Rate of lava production at the vent.
Explanation:
Hopefully this helps
Oceanography but the study of ocean creatures is Marine Biology