It is called THERAPEUTIC INDEX. Therapeutic index is the comparison of the amount of a particular drug that causes the desired therapeutic effects and the amount that causes toxicity. The index can be low or high. A drug with a low therapeutic index will require only a small increase in dose to produce toxic effects in users.
Image result for Is work done when you carry a book across the room at a constant velocity
Work is not done when you carry an object forward. You may have learnt that carrying an object and moving horizontally at a constant velocity has no work done. The truth is, there is a slight amount of work done due to overcoming air resistance in the horizontal direction.
Tropical Rainforest- >250 cm precipitation; 25c
Taiga- 101 cm precipitation - rain and snow; 15c
Tundra- no more than 25 cm precipitation in wettest month; <10c
Desert- <25 cm precipitation; 25c
These are the answers that were correct when i took this test. Hope this helps
Carbon dioxide when the fossil fuels is burned
