Answer: Igneous rock forms between sedimentary layers.
This can definitely help in determining relative age because sedimentary rocks will be the older rock than igneous rock as igneous rock has formed between sedimentary rocks
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This answer to this question is <span>Basilosaurus. This was </span><span>a </span>genus<span> of prehistoric </span>cetacean. It lived<span> during the </span>Late Eocene<span> 40 to 35 </span>million years ago<span>. This species had tiny hind limbs and only three toes. To illustrate,</span> a<span> 16 m  individual</span><span> had 35 cm long hind limbs with fused tarsals and only three digits.</span> 
        
             
        
        
        
The word 'clone' is derived from the greek term 'klon', or 'twig', referring to the fact that twigs have the capabilities to grow entire new plants.