The subgroup that comes after genus is-

A) kingdom

B) order

C) family

D) species

P. S - This is Science not Chemistry

3% Hydrogen Peroxide has an oral LD50 of 900 mg/kg. Acetic Acid has an oral LD50 of 3310 mg/kg. Which one is more hazardous to consume

Quan used a beaker to prepare a solution consisting of 4 g of a reddish powder and 35 g of alcohol. As soon as the substances mixed together, he covered the beaker tightly so that no gas could escape.

Calculate the thermometer in an air-conditioned room reads 20.0°C what is the temperature of the room In degrees Fahrenheit and in kelvins? Show your work

How does the cycling of matter affect a food chain?

Which element is placed in the same period as ruthenium but has a higher atomic number than it? bismuth osmium silver zirconium

Organic compounds ALL contain the element carbon. Which organic compound, used for stored chemical energy, contains carbon, hydrogen, oxygen, and often phosphorous?

In a polar molecule, which atom will have the greatest partial negative charge? A) the smallest atom B) the least electronegative atom C) the largest atom D) the most electronegative atom

Why is portion control important

Which ionic compound is the most likely to dissolve in water? CaSO4 Na2SO4 BaSO4 SrSO4

Calcium (atomic number 20) has electron configuration 1s2,2s2,2p6,3s2,3p6,4s2. The atomic number of scandium is 21. Which orbital does the 21st electron enter? a. 3d b. 4p c. 4d d. 4f