The right answer is research reading and writing.
The research includes a collection of data, information, and facts for the advancement of knowledge.
Reading is undoubtedly an entertainment, but it is also a precious help to learn to express oneself and to think.
Reading is an awakening of the soul and the heart. Enjoyment of thought and feeling.
Writing is a graphic expression of language, it is a process that is currently used to immobilize, to fix the articulated language, fleeting in essence.
It's needed for photosynthesis and inturn it gives us oxygen
good product for alloys
good product for displacement reactions
harms
global warming
global dimming
carbon dioxide with a lack of oxygen is poisonous
The correct option from given options is "b", that is <span> it changed ideas about which animals were closely related.
</span>Cladistics<span> was </span>invented for the purpose of improving on taxonomy and it is a way to deal with biological classification. DNA technology lead to more use of cladistics because it changed ideas about which animals were closely related and also it showed new evolutionary relationships between animals.