Tyrone hears on the news that the aqi is 201. what does that mean?
the air is unbreathable
oxygen in the air is at a dangerous level
the amount of pollutants in the air is unhealthy
acid rain is likely to fall

Hemoglobin is the compound in red blood cells that carries oxygen to the body. the distribution of hemoglobin in women in g/dl of blood is approximately normally distributed with mean 14 and standard deviation 1. too little hemoglobin, and you're anemic. 2. too much, and (unless you live at high altitudes), you can have other problems.

Name one similarity and one difference between the morphology of a brachiopod and a bivalve

Creation of an unnaturally uniform sample to represent a diverse populationcan be avoided by: a. including only willing b. asking another scientist for .c. choosing only identical participants.d. selecting individuals at random.