Arthropods were the first animals to successfully invade land from the sea
Answer:
Smooth Muscle
Explanation:
In the digestive tract it's called the muscularis mucosa.
Answer:
1 They can help the digestive system break down food
2 they can help you fight off germs
Explanation:
Answer:
Trace minerals are those minerals which we need in lesser amount for our body which includes iron, copper, zinc, cobalt, selenium etc.
hope it helps!
Hypotheses must be provable. If scientists cannot prove a "hypothesis" right or wrong, they need to change it to a legitimate hypothesis - something you can prove.
If it is proven wrong, they can change certain aspects of it to make a more specific experiment.
