Biology, 21.10.2020 03:01 Spuddle4403

What makes elements and compounds different from mixtures? Elements and compounds- a). have a constant composition
b). are made of gases
c). will not change when heated
d). conduct electric current

Answers: 2

Show answers

Other questions on the subject: Biology

Biology, 21.06.2019 18:00, shelbyo1123

The phlogiston theory in the 17th century attempted to explain burning. the theory stated that combustable objects contained a material called phlogiston, a substance without mass, color, odor, etc. after objects burned, the objects were dephlogistonated and were then in their true form. the phlogiston theory was accepted until the 18th century, when lavoisier proved that combustion requires a gas that has mass. phlogiston is considered a) to be scientific knowledge b) not to be scientific knowledge c) to be proven by scientific method d) to be accepted in the modern scientific community

Answers: 2

continue

Biology, 22.06.2019 04:00, AbbypiePink4942

Food contains a sugar called ( ), which is broken down in a process called cellular ( ). this process uses ( ) to break down food molecules and provide energy for cells. fill in the parentheses

Answers: 2

continue

Biology, 22.06.2019 09:50, emily743

Ascientific idea becomes valid when it is what?

Answers: 2

continue

Biology, 23.06.2019 00:30, queensnowflake32

Many birth-control pills release a constant amount of synthetic estradiols and progesterone for 21 days, followed by 7 days when no hormones are ingested. which of the following statements most accurately describes the effects of birth-control pills? -birth-control pills maintain constant levels of estrogens and/or progesterone so there is no surge in lh and ovulation does not occur.-birth-control pills inhibit the development of the uterine lining so implantation of a fertilized oocyte cannot occur.-birth-control pills maintain constant levels of estrogens and/or progesterones and mask the release of the oocyte from the follicle.-the 7 days with no hormones does not allow a thick enough uterine lining to form so a fertilized oocyte cannot implant.

Answers: 2

continue

You know the right answer?

What makes elements and compounds different from mixtures? Elements and compounds- a). have a const...