★ science

Alaira Po (alaira :3) · 17問 · 1年前

通報

問題一覧

_____ proposed the idea that all new species descendfrom an ancestor

Charles Darwin

can be directly observed or seen, such as fossil evidence

direct evidence

does not involve actual observation of evolution

indirect evidence

developed the first geological time scale

Giovanni Avduina

the oldness of the earth is about _____ million years

4600

if they have similar embryonic origins

homologous

if they are identical only in function

analogous

it is probably one of the first and oldest organism that lived on earth

invertebrates

is a method used to determine the age of the rocks

radiometric dating

shows the major events in the earth's history

geologic time scale

divides the similarities and differences in the structures of organisms

comparative anatomy

it states that pressure is inversely proportional to the volume at constant temperature

Boyle's Law

it states that volume is directly proportional to the temperature at constant pressure

Charle's law

what is the relationship of boyle's law?

pressure-volume

what is the relationship of charle's law?

volume-temperature

Who invented Boyle's Law?

Robert Boyle

Who invented Charle's Law?

Jaques Charles

Which of the following properties does not describe a gas?

ductility

___________ of a gas is the measure of the hotness or coldness of an object.

temperature

____________ of a gas is the result of a force that is produced when gas particles hit the walls of a container.

pressure

Which of the following phenomena does NOT involve the application of gas pressure?

reading books

What happens to the density of a gas as its volume decreases at constant pressure and temperature? Density = mass/volume

increases

If the volume of one molecule of gas molecules remains constant, lowering the temperature will make the pressure __________

decrease

science (⁠ノ⁠^⁠_⁠^⁠)⁠ノ

science (⁠ノ⁠^⁠_⁠^⁠)⁠ノ

17問 • 1年前

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