How does a star form? A.) A beam of radiation of radiation form a pulsar
passes through a dense

B.) Gravity pulls dust and
gases into a sphere

C.) The energy of supernova reaches the dust and
gases of new stars

D.) Gravity causes neutrons and electrons to collide and form stars

True, the standard unit for volume is liters which can be represented by either a lower case "l" or a capital "l"

Matter- occupies space and possesses rest massno matter is the opposite

Electrical charges of ionic bonds

Answerd. may include all of these are many definitions of bases: the  brønsted-lowry definition of acids and bases says that bases are proton acceptors.the arrhenius definition of acids and bases says that bases increase [oh⁻] in solution (thereby producing oh⁻ ions)the lewis definition of acids and bases says that bases donate electron pairs.therefore, the sensible answer is that a base may include all of the described characteristics.