The law of conservation of mass<span> states that in a chemical reaction, </span>mass<span> is neither created nor destroyed. That means, the total </span>mass for<span> the reactants needs to equal the total </span>mass<span> of the products. The reactants </span>for<span> photosynthesis are 6 carbon dioxide, 6 water and sunlight.</span>
Meiosis. Sexual recombination. Crossing over. Independent assortment. Mutations.
The two MAIN sources would be genetic(sexual) recombination and mutations. Mutations allow for genetic variation, while genetic recombination allows for genetic shuffling. :)
Answer: <em> It cant change</em>
Explanation:
A theory does not change into a scientific law with the accumulation of new or better evidence
<span>1.keeps tooth alive
</span><span>pulp
2.surface of teeth
enamel
3.tube carrying food to stomach
esophagus
4.last major organ in digestive system
large intestine
5.digestive organ located above waist, close to ribs
stomach
6.first stage of digestion takes place here
mouth
7.regular squeezing movements
peristatiss
8.blood vessel leading from heart
artery
9. windpipe
trachea</span>
