EXPLAIN Cell theory changed over time as new discoveries came to light. What does this
say about a scientific theory? Select all correct answers.
a. A theory is based on ideas that have been proven true and that are not subject
to revision.
b. A theory is a proposed explanation for a wide variety of observations and
experimental results.
c. New evidence that has been confirmed through observation and experiment
may result in the modification of a theory.
d. A theory is based on preliminary evidence but still needs to be confirmed
with experiments.
Answers: 1
Biology, 21.06.2019 21:30
Ascientist discovers a new body between the orbit of neptune and the kuiper belt. the object is round and travels in an orbit around neptune with other space objects. the scientist claims that she has found a new dwarf planet. where is the scientist’s error?
Answers: 1
Biology, 22.06.2019 02:00
1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area
Answers: 2
EXPLAIN Cell theory changed over time as new discoveries came to light. What does this
say about a...
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