I think the correct answer from the choices listed above is option B. It is marshmallows catching fore that is an example of a spontaneous exergonic reaction. An exergonic reaction is a chemical reaction where the change in the free energy is negative which indicates the reaction to be spontaneous. It happens without any energy input.
Answer:
option d
Explanation:This also refers to structures that are not present in an organism, but were present in its ancestors, i.e. traits that have undergone secondary loss.
Answer: Clay, sand and silt characteristics
Explanation: I found the picture and the rest of your question.
Soil identification as sandy clay
Soil Texture indicates the composition of that soil by which it shows the amount of clay, sand, and silt.
That is a classification instrument and it's used in laboratories to show soil classes. This identification is showing soil class by the characteristics of silt, clay, and sand.
Soil texture can be defined by feel method or hydrometer methods for example.
Characteristics:
- 0% to 28% of Silt
- 80% to 45% of Sand
Answer:
D
Explanation:
D is the correct answer. The rest do not represent evolution / natural selection well, and penicillin's strength has remained the same.