Biology, 14.12.2021 17:30 staceymrtosr

Suzy is examining a brass lamp. If brass is a mixture of copper and tin, what can Suzy conclude? A Brass is an impure substance composed of copper, Cu, and tin, Sn.
B Brass is a pure substance represented by the symbol B.
C Brass is a pure substance represented by the symbol Br.
D Brass is an impure substance composed of copper, Co, and tin, Tn.

Answers: 3

Show answers

Another question on Biology

Biology, 21.06.2019 22:00

For a to be healthy, it has to have lots of different kinds of plants and animals. all of the different types of plants and animals in an ecosystem. name four types of ecosystems from those listed in the video. b) c) d) most living things live here. all living things depend on how an ecosystem like a game of sticks? why should we build new buildings on existing land? name four extinct species from those listed in the video. b) c) d) the best way to wipe out a species is to the largest ecosystem in the world is this percent of the world is covered by water. how many of all species in the world live in the ocean? list five things you can do to increase biodiversity. b) c) d) e) how many species are we losing per hour?

Answers: 3

Answer

Biology, 22.06.2019 01:30

Select three sports that require participants to be highly fit before the beginning a: snowboarding b: skydiving c: rock climbing d: bungee jumping e: free diving f: hiking

Answers: 1

Answer

Biology, 22.06.2019 09:00

Hurry i need your (100 points) 1) what are the responsibilities of the region of the brain highlighted below? (picture located below) the highlighted portion is at the rear base of the brain, behind the brain stem. regulating homeostasis, hunger and eating, thirst and drinking, and many other functions of basic survival. coordinating movement and balance by using information from sensory nerves, including hand-eye coordination. controlling voluntary body movements, processing information from sense organs, thoughts, and learning abilities. regulating important involuntary bodily functions such as blood pressure, heart rate, breathing, and swallowing. 2)which of the following systems or structures is correctly paired with its function? neurons - brain cells that control thoughts, calculations, and memory cerebral cortex - portion of the brain that controls involuntary body movement peripheral nervous system - carries impulses to and from the central nervous system central nervous system - carries information from the nerves to the muscles and glands

Answers: 1

Answer

Biology, 22.06.2019 12:30

Which of the following is a reason why early living organisms on earth could not have survived on the surface? 1. the lack of an ozone layer 2. the lack of oxygen in the atmosphere 3. the fact that these organisms were single-celled

Answers: 1

Answer

You know the right answer?

Suzy is examining a brass lamp. If brass is a mixture of copper and tin, what can Suzy conclude? A...

Questions