Earth's inner core is solid because of the extreme pressures and underneath the earth.
Answer: 4
Explanation: There are 4 valence electrons in group 14, the Carbon group.
I believe the answer is true. Humans have a digestive track, which removes unwanted matter from the body.
They are on the periodic table
Answer:
The correct answer would be C) It increases survival for cuckoos, but decreases survival of the other birds.
The host chicks often face lots of competition from the cuckoo chicks in terms of food as well as space. It makes it difficult for the host chicks to survive.
It has also been found that cuckoo chicks beg to be fed more intensely due to which host chick die due to starvation.
In addition, in some species of cuckoo, cuckoo chicks remove host eggs from the nest within few days of hatching.
