<span>Air pollution is only caused by human activity. False.</span>
Answer:
Mixtures occur when two or more materials are combined and each material keeps its own properties. All of the following are mixtures EXCEPT
Chocolate milk
Explanation:
Chocolate is a mixture but it does not keep its original properties
Petrified wood is a rock that i have seen
Answer:do not use Gene invetro therapy with the RNA factor.It is looking like a crossthread on a bolt not able to unravel .
Explanation:
<span>A. endoskeleton
</span>Endoskeleton is not a characteristic of Arthropods that has attributed to their diversity and success. Endoskeleton is defined as inner characteristics of the skeletal feature of an organisms such as bears, humans, fish and etc.
Exoskeleton on the other hand is the trait by which arthropods posses. It is skeletal feature that is described outside or is extrinsic, this is evident as crabs have their skeletons outside of their body.