What is the result of cellular respiration? (A) Energy for cell processes is released. (B) Oxygen is released for photosynthesis. (C) Cells undergo decomposition. (D) Nutrients are excreted to prevent the buildup of body fat.

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

metric time was an attempt to create a standard unit of time based off of 10, but it never took off an is not included in the metric system (si)