in a lab group you combined vinegar and baking soda and observed the results shown in the picture. choose all of the evidence that supports that a chemical change has occurred. select all that apply. there is not partial credit award for this answer
Unfortunately, you have not provided a picture or any description of the observed results, so I cannot choose evidence that supports a chemical change. Please provide more information.
in a lab group you combined vinegar and baking soda and observed the results shown in the picture. choose all of the evidence that supports that a chemical change has occurred. select all that apply. there is not partial credit award for this answer
a gas is produced
the color changed
bubbling occurred
the baking soda dissolved
there is a change in the composition of the reactants
Based on the information provided, the evidence that supports a chemical change occurring in the lab group's experiment of combining vinegar and baking soda includes:
- A gas is produced
- The color changed
- Bubbling occurred
- There is a change in the composition of the reactants
the method of heat transfer by which the sun energy reaches the earth is:
conduction
convection
radiation
solaration
The method of heat transfer by which the sun's energy reaches the earth is radiation.
how bright a star appears to us on earth depends mainly on:
the age of the star
your position on earth
the composition of the star
the stars distances from earth
How bright a star appears to us on Earth depends mainly on the star's distance from Earth.
in the tundra, life forms are limited by the interaction of the several of earths spheres. one sphere that interacts with the geosphere, hydrosphere and biosphere is the cryosphere. what is this sphere responsible for in the tundra
poor, rocky soil
low growing plants
ground permafrost
mountains terrain
The cryosphere, which includes ice, snow, and permafrost, is responsible for ground permafrost in the tundra.
select the pair of bodies which are least alike in composition and size
the moon and a comet
earth and Venus
Uranus and Neptune
an asteroid and a meteor