subject
Biology, 20.11.2020 17:20 aprilwilson3p8711m

A pure substance is just one element, or one or elements that is bonded to another. Which of these is NOT a pure substance gold- it's an element

oxygen-it's an element

carbon dioxide -it's a compound

koolaid- it's dissolved

ansver
Answers: 2

Another question on Biology

question
Biology, 21.06.2019 15:30
The large ground finch obtains food by cracking seeds. what is its short, strong beak an example? a) tendency toward perfection b) adaptation of a species over time c) selective use and disuse of an organ over time d) scarcity of recourses
Answers: 1
question
Biology, 22.06.2019 04:50
Consider the classification levels of a human. eukarya ,animalia ,chordata ,mammalia ,primates, hominidae ,homo ,sapiens .which is the most specific taxonomic level in the classification system above? a sapiens b homo c hominidae d primates
Answers: 1
question
Biology, 22.06.2019 09:10
Hormones are chemical molecules produced by endocrine glands. one such endocrine gland is the thyroid gland, which synthesizes the thyroid hormone, which in turn affects the heart muscles. which two statements describe the probable reason for the function of the hormone? the cells in the heart have specific receptors that allow for the intake of hormones. the heart and the endocrine glands have the exact same types of cells. all cells make the same types of hormones. thyroid hormones show their effect on the heart by means of specialized cells. thyroid cells and cardiac cells have different dna.
Answers: 1
question
Biology, 22.06.2019 10:00
Speed is the ratio of the distance of an object moves to
Answers: 1
You know the right answer?
A pure substance is just one element, or one or elements that is bonded to another. Which of these i...
Questions
question
Mathematics, 10.09.2019 20:30
question
History, 10.09.2019 20:30
Questions on the website: 13722361