Answer:
a human has only one heart
Answer: the last one. Brainliest??
Explanation:
This isn't a topic. But a good tip is to choose something you find interest in. This way you can present your project in a good, happy manor and actually enjoy doing the project.
Answer:
The reason for that is when you keep your hand or any part of your body there your body takes in that heat witch makes you hot.
i hope this helps
Answer:
Xylem
Explanation:
Xylem is a conducting tissue found in vascular plants in which most plant use to obtain water and minerals they need through their roots. Water and mineral moves from the soil to roots to stems and to leaves. The minerals such as potassium (K+), Calcium (Ca2+) travels in dissolved for in the water with various organic molecules supplied by root cells.
Water and minerals enter the root by different paths but converge in the stele, or central vascular bundle in roots.
Water conducting cells is known as tracheary elements.