Answer:
Actually, The reaction is chemical and endothermic. Chemicals A and B form an endothermic reaction, and chemicals C and D form an exothermic reaction. Therefore, chemical reaction, a process in which one or more substances, the reactants, are converted to one or more different substances, the products. Substances are either chemical elements or compounds. A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products.
Explanation:
Answer:
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Explanation:
Agricultural Activities
mining
urbanisation
illegal longing
forest fires
Natural causes as hurricanes, fires, parasites and floods.
14. compound
15. the concentration cannot be increased.
16. heterogenous mixtures
17. chocolate chip cookies
18. vegetable soup
19. a mixture is a pure substance a compound is not
20. Tastes sour
<span>Like the sporophytes of seed plants, those of ferns consist of stems, leaves androots. Stems: Fern stems are often referred to as "rhizomes", even though they grow underground only in some of the species.</span>
Answer:
herbivore: koala, etc
Carnivore: tigers, lions, hyenas
Explanation:
