Answer:
Geodes
they are natural rocks with crystal formations naturally occuring inside.
you wont know what the crystals inside look like until you open it yourself, hence getting more people to buy due to its surprise factor.
I think the answer is b. hope it's right
Answer: A
Explanation: A reflex is an non-conscious physical response to a stimulus, and an instinct is an inborn response without reasoning to an environmental occurrence.
Hope this helps :)
Answer:
They form a zygote.
Explanation:
because a male and female gamete will merge together to form a new organism. The two haploid cells will fuse together to form a diploid cell called a zygote.
