<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>
<h2>D is the correct answer!</h2><h3></h3><h3>Parents: Bb Bb</h3><h3>Child: bb</h3><h3></h3><h3>He inherited the RECESSIVE trait from both parents.</h3><h3>He got a 'b' from both parents.</h3><h3 /><h3><em>Please let me know if I am wrong.</em></h3>
Answer:
Because earthworms do not like soil that is too acid, alkaline, dry, wet, hot or cold, their presence is a good indicator of soil conditions suitable for plant growth. Earthworms do not like acid soils with pH (CaCl2) less than 4.5. The addition of lime raises pH and also adds calcium.
If I remember them correctly, the organisms are a fish, a reptile a bird and a human during embryonic development. B & D are the correct answers.
Answer:
B. Made of different kinds of tissues
Explanation:
