Answer:
C. A low-pitched parent and a high-pitched parent have a child with a medium-pitched voice.
Explanation:
I just took the test on edge and got it right.
Explanation:
charles darwin proposed thoery of natural selection.he had collected imnumerable specimens of plant and animals.he published concept survival of fittest. while explaining he says that There is always competition for food.only those organism survive which shows adptations in various reasons. it thoery of natural selection.
There are some objections,
1. natural selection is not only factor responsible for evolution.
2. darwin did not mention uesful and useless modifications.
3. There is no explanation about slow and abrupt changes
Answer:
5
Explanation:
The number of protons is the same as the atomic number
Answer:
B. as the temperature increases, the kinetic energy of the particles increases
