Biology, 01.11.2019 08:31 layahmonaee
Many cat species mark their territory by rubbing glands on their faces against a surface such as a tree trunk. this form of communication relies on a
a. visual signal.
b. sound signal.
c. chemical messenger.
d. defensive display.
Answers: 2
Biology, 21.06.2019 18:00
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
Biology, 21.06.2019 22:00
Which of the following does not describe a physical property of iron? a iron is silvery-white or gray in color. b iron has a boiling point of about 3,000°c. c iron is a magnetic element . d iron and sulfur react to form iron sulfide.
Answers: 1
Biology, 22.06.2019 04:00
Regarding most of the narrator’s story, which word best describes the tone?
Answers: 1
Many cat species mark their territory by rubbing glands on their faces against a surface such as a t...
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