Answer: option D) glucagon and insulin
Explanation:
The hormones glucagon and insulin are secreted by the islets cells found in the pancreas. Specifically, alpha cells of the islet produce glucagon, while its beta cells produce insulin.
Both hormones operate in opposite action, glucagon respond to low blood sugar levels while insulin respond to high blood sugar levels.
Answer:
Observation
- You watch to see the passengers in cars that pass...
Classification
- To investigate different types of matter, students are asked to seperate items on the table...
- A titration is used to determine the pH...
Experimentation
- You mix two aqueous solutions together...
- A wooden splint is placed above a test tube...
- To determine the activity series, several metals and solutions containing those metals are used...
Explanation:
I abreviated the text in each box, but you should get the gist of which belongs in which categories. Let me know if you need further explanation on what warrants classification in the observation, classification, and experimentation categories.
The answer to this would be layer D because temperatures in the mantle range from 500-900 degrees celsius
Answer:
Isotopes
Explanation:
i may be wrong but I think it's isotopes since it's a neutral charge. Electrons are negative
Isotopes i searched up on Bing and it said it has the same amount
nuclei is just a plural noun for nucleus