Hello!
The body of a sponge is not very complex, mainly because it has no cells. It has 2 outer layers and supportive needles, but no cells!
Enjoy.
~Isabella
Carbon-14 dating is a way of determining the age of certain archeological artifacts of a biological origin up to about 50,000 years old. It is used in dating things such as bone, cloth, wood and plant fibers that were created in the relatively recent past by human activities.
Answer:
the right awnser is 3 b and 1 w vote brainliest this is right.
Explanation:
Answer:
The correct answer is D) Rate of fermentation.
Explanation:
Carbohydrates are fermented by yeast to form alcohol by alcoholic fermentation.
Now if the effects of different carbohydrate molecules are tested on yeast then the yeast will ferment different sugar molecules at different rate.
As a result the rate of fermentation will be the independent variable of the experiment.
Pretty sure it's mass and acceleration. Hope this helps!