Answer:
(A): DNA and protein
(B): The case for proteins appeared stronger until the 1940s, especially since biochemists had identified them as a class of macromolecules with great heterogeneity and function specificity, essential requirements for the hereditary material. Moreover, little was known about nucleic acids, the physical and chemical properties of which seemed far too uniform to account for the multitude of specific hereditary traits of each organism
(C): Virulent strains are pathogenic (causing disease), whereas non-virulent strains are non-pathogenic (harmless) strains.
Take a dna test... he will be more confident about it then
Dealing with children can be critical sometimes and when they experience disasters, handling and bringing them back to normal routine can be tough. But as a teacher, there are certain things can be done to bring them back to normal conditions. Children has a trust relationship with kids and they believe what are told so these are the ways they can be bring back to normal condition after experiencing a bad incident:
- By providing them a normal, consistent and predictable routine
- By avoiding mentioning the disaster to the children
phosphorus, soil, water, oxygen
Explanation:
Phosphorus, soil, water and oxygen are renewable resources that can be found freely on earth.
Renewable resources are natural resources that can easily be replenished as they are used either by natural means or through cyclic processes in our human life time.
- Phosphorus, soil, water and oxygen are easily replenished by natural processes and through the biogeochemical cycle of materials.
- Fossil fuels, trees are not renewable as they can easily be depleted.
- Non-renewable resources must be used sustainably to ensure their all round availability.
Learn more:
Renewable resources brainly.com/question/6944540
#learnwithBrainly
Answer:
It is a physical adaptation
Explanation:
Webbed feet does not change the way the animal acts but it had to adapt webbed feet physically to survive in its habitat/surroundings
