Answer:
An unknown galaxy has a large flattened core. Which of the following classifications would best fit this galaxy's description?
Irregular
Spiral
Lens
Elliptical
Explanation:
atomic mass of carbon is C = 12 g/mol
atomic mass of hydrogen is H = 1 g/mol
now number of carbon atoms

Similarly the number of hydrogen atoms are

so Carbon atom and hydrogen atom must be in ratio of 10:30
so the ratio is 1:3
now the empirical formula is always in simplest form

Answer:
he can subtract the distance and then divide by the time it takes him
Explanation:
That's a description of what makes the "Wankel engine" unique.
When it first came to the USA market, it came as the guts of a
new brand of car . . . the Mazda. I don't know if some, or all, or
none of today's Mazdas still use the Wankel 'rotary' engine.