Question

.A group of cells performing specific function is called

organ

organism

species

tissues

Q18. LARGE VACOULE is present in

plant cell

animal cell

none of the above

both a nd b

Q19. Migratory birds fly to far away places because of ------- changes 
friction

pollution

ecosystem

climatic

Q20. Process of separation of different constiyuents of petroleum is called 

refining

explosion

combustion

evaporation




please give me correct answer and I give you brainlist​

Answer 1

organ

plant celll

climate changes

refining

mark me as brailiest

Answer 2

Answer:

1.Tissue

2.plant

3.climatic

4.refining