What is a simple food chain? A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. In a food chain, each organism occupies a different trophic level, defined by how many energy transfers separate it from the basic input of the chain. What is bioaccumulation […]
What are the principles of disaster management?
What are the principles of disaster management? The ethical principles applied during disasters: (i) Humanitarian assistance; (ii) Information and participation during disasters; (iii) Compulsory evacuation of populations; (iv) Respect of dignity; (v) Respect of persons; (vi) Emergency assistance for the most vulnerable persons; (vii) The importance of rescue … What are the importance of disaster […]
Why do I cry when I yawn?
Why soft iron is used for making the core of an electromagnet?
What are the reasons of non-sampling errors?
What are the reasons of non-sampling errors? Some of the major reasons that lead to the non-sampling errors are: Inadequate data specification or data being inconsistent with the objective of survey or census. Inadequate methods of data collection. Duplication of a subject in the survey. Lack of trained investigators. Lack of supervision of primary staff. […]
How can I represent relationships between two variables?
How can I represent relationships between two variables? Correlation Correlation analysis seeks to identify (by a single number) the degree to which there is a (linear) relation between the numbers in sets of data pairs. Regression analysis is used to determine if a relationship exists between two variables. 1)Generation of the regression line and equation […]
What is the biggest gland of the endocrine system?
What is the biggest gland of the endocrine system? Your pancreas (say: PAN-kree-us) is your largest endocrine gland and it’s found in your belly. The pancreas makes several hormones, including insulin (say: IN-suh-lin), which helps glucose (say: GLOO-kose), the sugar that’s in your blood, enter the cells of your body. What is the most common […]
How many universes are there in a multiverse?
How many universes are there in a multiverse? in up to 11 dimensions, featuring wonders beyond our wildest imagination. And the leading version of string theory predicts a multiverse made of up to 10 to the 500 universes. Does up and down exist in space? There is an up and down in space. “Down” is […]
How does life on earth depends on the process of photosynthesis?
How does life on earth depends on the process of photosynthesis? Most life on Earth depends on photosynthesis. The process is carried out by plants, algae, and some types of bacteria, which capture energy from sunlight to produce oxygen (O2) and chemical energy stored in glucose (a sugar). What is the important of photosynthesis? It’s […]
What CD4 stand for?
What CD4 stand for? In molecular biology, CD4 (cluster of differentiation 4) is a glycoprotein found on the surface of immune cells such as T helper cells, monocytes, macrophages, and dendritic cells. What is the normal CD4 count for a healthy person? A CD4 count is typically reported as a count of cells (expressed as […]