A thermocline - Study guides, Class notes & Summaries

SDI OPEN WATER SCUBA DIVER EXAM 2024 WITH 100% ACCURATE ANSWERS Objects under water appear - correct answer Closer and larger than they do on land How much faster does sound travel in water, compared to air? - correct answer 4 times Water conducts heat away from your body - correct answer 25 times faster than air does As you descend - correct answer colors fade, reds and oranges fade first, 30 meters seem blue and gray water temp does your body need thermal protection - correct ...

Oceanography Test 2 SDSU Latest Update with Verified Solutions water molecule (basic atomic structure) 1 oxygen (negative); 2 hydrogen (positive) Hydrogen bond: inter-molecular bonds (bond water molecules together) Polarity Water is a polar molecule; electromagnetic H end: partial (+) charge, attracts (-) O end: partial (-) charge, attracts (+) thus, dissolves substances (universal solvent) 3 phases of water solid (ice) liquid (water) gas (vapor) In order to make water change ph...

Objects under water appear: 1: The same size as they do on land. 2: Twice as large as they do on land. 3: Closer and larger than they do on land. 4: Smaller and farther away than they do on land. - Closer and larger than they do on land. As you descend: 1: Colors appear to fade. 2: Reds and oranges are among the first colors to disappear. 3: At 30 m/99 ft, little color remains other than blues, grays, blacks and whites. 4: All of the above. - All of the above. Which of the following statements i...

1. Objects under water appear 1: The same size as they do on land. 2: Twice as large as they do on land. 3: Closer and larger than they do on land. 4: Smaller and farther away than they do on land.: Closer and larger than they do on land. 2. As you descend: 1: Colors appear to fade. 2: Reds and oranges are among the first colors to disappear. 3: At 30 m/99 ft, little color remains other than blues, grays, blacks and whites. 4: All of the above.: All of the above. 3. Which of the followin...

Objects under water appear: 1: The same size as they do on land. 2: Twice as large as they do on land. 3: Closer and larger than they do on land. 4: Smaller and farther away than they do on land. - Answer-Closer and larger than they do on land. As you descend: 1: Colors appear to fade. 2: Reds and oranges are among the first colors to disappear. 3: At 30 m/99 ft, little color remains other than blues, grays, blacks and whites. 4: All of the above. - Answer-All of the above. Which o...

Divemaster Final Exam A part 2 Questions And Answers 100% Verified What is the ocean's major source of productivity and the base of the marine food chain? a. Krill b. Seagrass c. Coral d. Phytoplankton - answerd. Phytoplankton True or False. Natural processes, such as earthquakes and storms, are much more of a severe threat to coral reefs and wetlands than human-induced threats, such as pollution. - answerFalse. True or False. When an alien (invasive) species is introduced into an eco...

Objects under water appear ~~> Closer and larger than they do on land How much faster does sound travel in water, compared to air? ~~> 4 times Water conducts heat away from your body ~~> 25 times faster than air does As you descend ~~> colors fade, reds and oranges fade first, 30 meters seem blue and gray water temp does your body need thermal protection ~~> 86 degrees What does SCUBA mean ~~> self-contained underwater breathing apparatus 2 | P a g e | © co...

Euphotic zone - Answer-first 200 meters -where photosynthesis can take place -suns radiation can be absorbed Seed Plants - Answer--true plants -not very abundant -grasses, eelgrass and surfgrass -mangroves -like warm, muddy waters -have a root system Protists - Answer-a) large algae(seaweed) -brown algae(kelp), green (sponge weed), red (rhodophyta) b) phytoplankton(small algae) -most producers -diatoms -coccolithophores -dinoflagellates Eukaryotes - Answer-seed plants and protist...

Your understanding of the aquatic relem is important for accessing dive conditions and emergency planning , as well as explaining to divers how to interact responsibly with environment True or False - Answer True What is the ocean's maor source of productivity and the base of the marine food chain? A. Drill B. Seagrass C. Coral D. Phytoplankton - Answer D. Phytoplankton Natrual processes, such as earthquakes and storms, are much more of a severe threat to coral reefs and we...

MSC final exam 1 questions GRADED A+ What is salinity in the ocean? - ANSWERSdissolved organic elements in 1 kg of seawater The vast majority of sea water is comprised of: - ANSWERSCl, Na, SO4, Mg, Ca, K, minor salts away from coasts, salinity follows the _____ - ANSWERSlaw of constant proportions What are the 3 major trends with regards to elements in the ocean? - ANSWERS1. conservative 2. biologically reactive 3. particle reactive Trend seen in biologically reactive element...