an element has an atomic mass number of 16 and an atomic number of 7.
the element has 7...
Biology, 09.10.2019 23:20, fatimababy
an element has an atomic mass number of 16 and an atomic number of 7.
the element has 789 protons and 789 neutrons.
Answers: 1
Biology, 22.06.2019 02:30, melissaschnelting
Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?
Answers: 1
Biology, 22.06.2019 08:10, xojade
Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?
Answers: 2
Biology, 22.06.2019 10:00, tuetheturtle
The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a. an ionic bond is formed between the oxygen and carbon atoms. b. four valence electrons are shared. c. two valence electrons are shared. d. valence electrons are shared between oxygen atoms.
Answers: 1
Biology, 22.06.2019 10:30, jagslovegirl
Natural selection changes allele frequencies because some survive and reproduce more successfully than others.
Answers: 1
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