Question 2 of 5 What are two reasons scientists classify organisms into groups?
A. To understand why different organisms exist on Earth
B. To make it easier to communicate about organisms
C. To make sure scientists get credit for their discoveries
D. To understand how different organisms are related

Pls I need it like rn ASAP I’m very behind

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

Classify this reaction: 2al+n2-> aln.