<h3>Three
tools Oceanographers use</h3>
<h3>
Functions of the
tools.</h3>
- Thermometer helps to measure the temperature of the ocean. Temperature usually varies according to the season.
- Radar helps to measure ocean currents and and it works under any type of weather condition.
- Sonar is an instrument used to accurately measure the ocean depths through the use of sound waves.
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Answer:
B
Explanation:
theyre all different bcz of genetic variation
Answer:
<em>B. Methyl yellow, which changes from yellow to red around a pH of
</em>
<em>4.0</em>
Explanation:
A pH indicator is a technique by which the pH of a solution can be known. The scenario in the question describes that the scientist wants to determine a pH after it gets converted from 6 to below 4. For this recognition, the scientist should use a methyl yellow indicator which will change from yellow to red once a pH around 4 is achieved.
<em>Examples of a nonspecific external response to infectious agents and harmful bacteria are the following;</em>
Mucus, saliva, and tears.
They are nonspecific external responses that help to prevent pathogens from entering our bodies.
The specifics contain types of enzymes that break down the bacterial cell walls. An external response of Mucus tends to trap pathogens as well.
A adaptation is a trait that helps an organism survive and reproduce.
