The statements that are true of heterogeneous mixtures are: they settle out and the proportions of solute to solvent may vary. The correct answer is option A. 1 and 2. Heterogeneous mixtures are considered mixtures wherein the components are not uniform and still retain their properties. Characteristics of heterogeneous mixtures are: the ratio of solute and solvent is not equal, the substances can be separated physically and they still retain their properties even if mixed with another substance.
Chloroplast is the same as solar cell ! because it traps energy of the sun and helps in formation of food , made by plant !
I think the correct answer would be the third option. Environmental influences include family dynamics, neighborhood quality, and educational opportunities. These influences involve everything that surrounds an individual. The environment one is subjected to greatly affects the totality of that person may it be psychological, social, physical, behavior or attitude, beliefs and perception. For instance, if a child grow up in an environment that is healthy where relationships are nurtured and love and respect is present between members, then most likely this child would grow with great self esteem and would have the same characteristics as the people he lived with.
The "community
acquired" penicillin resistant S. aureus originated from the hospital since
1940’s based on the graph and after 10 years, S. aureus resistant increases to 60%.
In 1960’s, it spread to the community and eventually spread across the world.
Moreover, Staphylococcus<span> aureus infections <span>can
be treated with penicillin in the past but when it became resistant to penicillin, pharmaceutical companies discovered methicillin,
which is a derivative of penicillin. However, </span>S. aureus resistant was also develop with methicillin from late 1980’s
in the hospital and in the community from the start of year 2000.</span>
