Answer:
in veins, blood flows towards the heart
Explanation:
To know what blood test need to be order ex. someone with a family history of diabetes, heart problem etc is something to take a look at and can be prevented
I think you worded your question wrong. a molecule that is made of three oxygens is an Ozone (O3).
Answer:
The answer is A
Explanation:
The scientists they study the ocean they discover animal.The reason i chose a because i have see that the scientists they stuy about the ocean
i hope its a good answer
