Answer:
In this case, the scientist want to test the presence of the limonite in the yellow rocks, So, proposed hypothesis should include the color of rock they want to observe and the posssible outcome, which need to be tested. So, a proposed hypothesis can be: The rocks, which have yellow color are made up of mineral lime.
Answer: D. sixty
Explanation: the answer is 60 or sixty
Yes, if both horses are heterozygous (Ss) then they can produce a horse with curly hair. They each carry the recessive allele for curly hair and if they both pass this on to their offspring, it will have curly hair.
Ex with different letters below.
rr would be curly or in this case, ss