Explanation:
The Precambrian covers almost 90% of the entire history of the Earth. It has been divided into three eras: the Hadean, the Archean and the Proterozoic. The Precambrian Era comprises all of geologic time prior to 600 million years ago.
It begins in the mouth. You produce saliva when you chew. This helps break down the food so it can get down to your stomach.
Answer:
Same characteristics of fishes are present.
Explanation:
Same characteristics of fishes are present in both western and eastern lakes because in eastern lake the present fish species were migrated from the western species so the characteristics of fish population will be same. If the fishes that is present in western lake are small in size so it has same size in eastern lake. Their eating behavior and other characteristic show resemblance with the fishes present in western lake.
2.1 false, Salive breaks down starch as it has amylase enzyme
2.2 true
2.3 false, small intestine
2.4 true
2.5 true
I’m not sure of all of my answers so i’m sorry if i got anything wrong.
Answer: a,b,d
Explanation: I have faith
and also they fall in order
