<span>The appropriate answer is c. sonar. Oceanographers use sonar to determine the ocean depth. A sonar signal is sent from the ship. Oceanographers record the time taken for the signal to leave the ship and for it to return. Knowing the speed of sound in water, they are able to calculate the depth of the water. This method is also used to generate bathymetric images of the ocean floor. </span>
Answer:
Space probe
Explanation:
Probes send data back to earth for scientists to study. Sputnik 1 was tbe first probe to go into soace
Answer:
Option B. mushroom.
Explanation:
Mushrooms are decomposers. Decomposers are those organisms which feed on dead bodies of plants and animals. Mushroom is a type of fungi which grows on dead bodies and broken down their body to release nutrients. These nutrients is again used by the organisms in the ecosystem such as plants. It also helps in the cleaning of environment by removing the dead organisms.
Answer:bacteria develops its self way more but you should make it more clear of the choices your giving
Explanation: