the first one is a mollusca
I think the correct answer from the choices listed above is option A. Scientific advancements helped reduce the impact of hazardous events on society by having <span>led to the ability to detect some hazardous events before they occur, allowing society to plan for them, mitigating their damage. Hope this answers the question.</span>
All matter is composed of protons, neutrons, and electrons. Therefore the answer is sodium.
Answer:
The sun gives energy to the producers(plants) then those plants are consumed by other members of an ecosystem for their energy
Explanation:
Answer:
On the basis of physical traits.
Explanation:
Newer classification systems classify organisms on the basis of physical traits of an organism. All modern classification systems gets their concept and help from Linnaean classification system. In these new classification systems, those organisms that have similar characteristics are placed in one group because they evolve from the same ancestor or having common ancestry. These changes occurs in the organisms with the passage of time that helps organisms to survive in that environment.