Why is extinction of a species most likely to occur as a environmental change

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

Scientists often deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each of these numbers in an alternate form.

Consider the following intermediate chemical equations 2h2(g 200 h2(g)+f2(g) → 2hf(g) in the final chemical equation, hf and o2 are the products that are formed through the reaction between h2o and f. before you can add these intermediate chemical equations, you need to alter them by multiplying the second equation by 2 and reversing the first equation. first equation by 2 and reversing it. first equation by (1/2) and reversing the second equation. second equation by 2 and reversing it.