D is your answer
hope this helps
Answer:
Mango tree: ... They are also grown mostly for the mango fruit production as the mango production achieved Mangifera is their genus name . They have relatively large leaves and can grow up to the height of 40 meter. Rose plant : They are the plants which means they are relatively small and has the weak stem.
The correct answer is:
C) outer covering
The structure that you should expect to find in a single celled organism is : C. outer covering.Single celled organism still hasn't developed a complex body structure, so it definitely won't have legs, internal organs, or brain.
Explanation:
None of the other answers can happen due to the combined solutions disability to reach the center of the organism, smaller cells in higher numbers are more effective as they can group commonly yet all receive the right amounts of nutrients for its need. multicellular organisms, such as humans can have the other answers in them as cells group collectively to make skin, muscles, and organs. it also provides the body to grow larger.
Answer:
D. DDT
Explanation:
DDT is highly persistent in the environment means that it break down very slowly in the environment. The half-life for DDT is from 2 to 15 years. Half-life is the time needed for the degradation of half of the compound. Persistent bio-accumulative toxic substances (PBTs) are chemicals that break down slowly in the environment and its accumulation in living organisms are toxic. Some PBTs are dispersed through air currents while some uses other environmental pathways, resulting in contamination of regions far from their points of origin.