What are the four requirements for a valid experiment?
1 answer:
Hypothesis, evidence, explanation, and conclusion
You might be interested in
Sponges, medusa and polyp, gymnosperm
Answer:
Ingles Por favor
Explanation:
Answer:
what are the optionnnnnn???
Answer:
Chordeae tendineae
Explanation:
- Chordeae tendineae keep the atrioventricular valves in place while heart is pumping the blood.
- Chordeae tendineae are commonly known as heart strings and these are tough tendious strands in the heart.
- Chordeae tendineae are 80% collagen and 20% elastin and endothelial cells.
The placenta forms at 8 weeks, and develop for 6 weeks. hope this helps
