<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:
Limitation of comparative investigation is that when it is done on a huge population, huge amount cost is required. Explanation: Benefit of comparative investigation is that we can get descrete information about specific breed or species. It is important for the study of behaviour of many organisms.
Photosynthesis is performed in the chloroplasts.
Answer:
Without veggies, you're more prone to digestive disorders such as constipation, hemorrhoids, and diverticulosis. Owy! Vegetables contain cellulose, which increases stool weight, eases passage, and reduces transit time.
Answer:
ughh thanks........because I already give up!!!!!!!
Explanation:
