Answer:
2.D 3.nitrogen and oxygen 4.at the poles 5. 8 minutes and 20 seconds 6.B
Explanation:
our body tells us we need more energy by feeling hungry (like your stomach is rumbling), and it also tells us by feeling tired. also if your body is short on fluids, you will start feeling fatigued.
Answer:
Water will move into and out of the cell at the same rate, causing it to remain the same size.
Explanation:
Water will move into and out of the cell at the same rate, causing it to remain the same size due to the existence of similar concentrations on both sides of the semi-permeable membrane which includes both the cell and the surrounding solution creating an isotonic environment.
Lipid assembly and metabolisms.
Examples of such cells include those of the endocrine and paracrine system that
produce steroid hormones like corticosteroids and sex steroids. Examples of cells with high amounts of smooth
endoplasmic reticulum are those of the gonads and the liver.
Answer: The food
Explanation: the independent variable is the one to be changed and in this case, it is the food