Answer:
Tundra
Explanation:
Ocean is the most stable biome, provides the majority of earths food and oxygen.
Rainforest provide 20% of earths food production. Also stable.
Grasslands although the don't get much rain it doesn't compare to the harsh weather that Tundra's face.
Tundra's is a very fragile environment. The freezing cold temperatures makes it a very difficult environment to survive in the winter, and plants and animals have a hard time coping with any extra stresses and disturbances. Therefore making it the least stable out of the rest listed.
Answer: The number of protons in one atom of an element determines the atom's identity, and the number of electrons determines its electrical charge.
Explanation:
To kill endospores<span>, and therefore sterilize a solution is by boiling it.</span>
Answer:
d. if my hypothesis is correct, I can expect certain test results
Explanation:
To create a theory is not enough to state an assumption. Called scientific research, the practice tries, through a logical procedure, to produce tested, proven and safe scientific knowledge. This concept is based on the logic of scientific research that states that a hypothesis must be tested, because if the hypothesis is correct, certain test results can be expected. For this, some rules or phases are part of the process. And they are: observation, hypotheses, research method and conclusion.
Thus, we can conclude that among the alternatives presented, the one that best describes the logic of scientific investigation is the letter D.
This is cellulose,because humans lack enzymes to break it down