Answer:
Blood is carried away from the heart by arteries. Blood that is rich in oxygen. Blood that is low in oxygen is returned to the heart by veins. there is more pressure in arteries than in veins.
Answer:
Its A . serve as a food source for other organisms .
Explanation:
<em>h</em><em>o</em><em>p</em><em>e</em><em> </em><em>i</em><em>t</em><em> </em><em>h</em><em>e</em><em>l</em><em>p</em><em>s</em><em> </em>
Answer:
The first one
Explanation:
It actually graphs the data rather than just having the data and you can see visuals.
1. Plan a date
2. Approve with parents
3. Get friends or a club to help
4. Try to get an adult or two ( Be smart. Be safe)
5. Grab lots of trash bags and maybe gloves.
6. Pack food and water at you will be out for a while
7. HAVE FUNN!!
-Jay❤️
Answer:
Explanation:
Science is the study of the nature and behaviour of natural things and the knowledge that we obtain about them. A science is a particular branch of science such as physics, chemistry, or biology. Physics is the best example of a science which has developed strong, abstract theories.
Five key descriptors for the scientific method are: empirical, replicable, provisional, objective and systematic.