Many harvested marine animals are sustainable because they are being caught below the maximum
sustainable yield. Indicate whether the statement is true or false.
ANS: F
The current yield of most of the harvested marine species are being caught at the high limits if their
sustainability. The maximum sustain yield is the maximum amount of each species that can be caught
without impairing future populations. Information can be found in the section Biological Resources.
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The chemical composition of all lavas is the same. Indicate whether the statement is true or false
Which of the following is not true of al-Qaeda?
A) Al-Qaeda has been implicated in several bombings since the attack on the United States in 2001. B) Al-Qaeda is a single unified organization. C) Most al-Qaeda cell members have lived in ordinary society, supporting themselves with jobs or crime. D) Finance, media, legal-religious policy and military committees report to a council called Majiis al shura. E) Al-Qaeda grew out of the war against the Soviet Union in Afghanistan.
Why do coral reefs at the ocean surface grow away from seamounts over time?
a) Seamounts uplift as tectonic plates move. Coral reefs grow away from the seamount in order to stay in the ocean water. b) Seamounts subside as tectonic plates move. Coral reefs grow away from the seamount in order to stay near the sunlight. c) Seamounts subside as tectonic plates move. Coral reefs grow away from the seamount in order to stay in the ocean water. d) Seamounts uplift as tectonic plates move. Coral reefs grow away from the seamount in order to stay near the sunlight.
The force that always slows a moving object is ____________________
Fill in the blank(s) with correct word