Answer:
If I recall from my class that it healthy life sytle and may be prevented through immunization I don't remember which but i know its maintain a healthy life style
Explanation:
I believe the correct answer is C. Nektons include bony fish and squid.
Answer:
In an experiment, the researcher needs to have a control group with an experimental group where both groups are identical in every way except that the controlled group does not gets the experimental treatment.
Sometimes, it is not possible to do a test or the experiment utilizing a controlled trial (due to ethical reasons or no practical method available). All things considered, a researcher may test a theory by making predictions about outcomes or patterns that ought to be found in nature if the hypothesis is right.
D looks like the oldest one because there is barley anything there. if not then I would do b
I think its a because risk actually means exposure to danger our sacrifice your self plz mark as brainly
