"Pheromones" is the one among the following choices given in the question that these messengers are called. The correct option among all the options that are given in the question is the second option or option "B". I hope the answer has actually come to your expected help.
Across:
1. Thorium
2. Arsenic
3. Zirconium
4. Lithium
5. Bromine
6. Tin
7. Calcium
8. Nickel
9.Carbon
10. Gold
11. Radium
12. Potassium
13. Chlorine
14. Manganese
15. Francium
16. Mercury
17. Nitrogen
18. Neon
19. Platinum
20. Hydrogen
21. Lead
22. Cobalt
23. Oxygen
24. Fluorine
Down:
1. Titanium
2.Argon
3. Zinc
4. Lanthanum
5. Barium
6. Silicon
7. Copper
8. Sodium
10. Aluminum
11. Radon
12. Krypton
14. Magnesium
15. Iron
16. Helium
18. Niobium
19. Polonium
Answer:
B) They release oxygen that organism use to breathe.
Explanation:
The process of this is called Photosynthesis. The plant takes in carbon dioxide and sunlight. The sun and water makes it possible for the plant to make sugars which are glucose which is the plant's food. And the byproduct of that is oxygen.
Answer:
unicellular life first
Explanation:
it arose billions of years ago while multicellular life forms around at least 600 million years ago
Answer: 1. The population will increase because of the safeness. 2. Some animals might starve or become unhealthy because lack of resource. 3. A lot of animals will eventually die.
Explanation:
Good luck btw!!