Which of the following organelles is found in plant cells but not animal cells?

a
ribosomes
b
chloroplasts
c
golgi body
d
mitochondria

Chloroplasts- Plants make their energy through photosynthesis, which requires chloroplasts.

a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.

the earth is thought to have been formed about 4.6 billion years ago by collisions from a cloud of hydrogen, helium, rock, ice and other materials. these were pulled together by gravity to form objects in and around earth like- asteroids and small early planets called planetesimals.

so, the best possible answer to this question will be option d- to harden materials to form different parts of earth’s layers