Answer:
D. There was a single transition from aquatic to terrestrial habitats
Explanation:
Based on the molecular differences at the level of DNA sequence and inheritance, the molecular phylogenies show that all land plants are a monophyletic group. This is why it suggests a single transition from aquatic to terrestrial habitats occur.
Answer:
Option (C)
Explanation:
Blood smears usually refers to the blood test that is being conducted in order to determine if there is any abnormality or irregularity in the blood cells. This test is conducted in the laboratories by using the slides.
After the test is done, these slides of blood smears are usually disposed of according to the instruction given by the teachers. It is because these slides have sharp edges and must be carefully handled. It can cause cut in the fingers and as these slides are comprised of infectious substances, it can affect other individuals, causing various types of diseases.
Thus, they must not be disposed of here and there, rather they should be disposed of according to the teacher's instruction.
Hence, the correct answer is option (C).
Answer:
how ever fast the wind is
Explanation:
Answer:
Naci is a dangerous acid. For ex suphiric acid . when you test this acid you realised that' it is dangerous because of its widespread use. Naci means Nitric acid collide with other acid that don't make any reaction with other acid.Its has own reaction With sodium hydroxide forms to perform a neutral solution.