Streptococcus pneumoniae was originally named diplococcus pneumoniae. why was the genus name diplococcus originally given to this organism?

Which of the following was not an effect of hurricane katrina? a. more than 1,800 people were killed. b. as of 2005, it was the most destructive natural disaster in us history. c. the most severe damage was a result of the storm surge. d. the damage was limited to louisiana and the new orleans area.

An object weighs 40n in air , weighs 20n when submerged jn water and 30n submerged in a liquid of unknown density .what is the density of the liquid?

Eter lives in a beautiful region. peter and other residents of his region use water from the river that flows through their region. recently, mark industries decided to set up their chemical plant near that river. peter realized that the waste from the chemical plant would pollute the river. he decided to seek a legal ordinance that would restrict the use of land near that river for specific use only. which type of zoning will peter and his region?