Gas cloud 1 is likely to form a star. gas cloud 2 is not. based on this information, match the given conditions with each cloud.
its temperature stays well
below 14 million kelvin.
its volume shrinks and density
increases due to gravity.
its temperature surpasses
14 million kelvin.
its hydrogen atoms shed their electrons.
it is spread out, with a greater volume and
lesser concentration of elements.
its hydrogen atoms retain their electrons.

[120 total points] (public health) in one of the largest human experiments ever conducted, in 1954 a randomized controlled trial was run to see whether a vaccine developed by a doctor named jonas salk was effective in preventing paralytic polio. a total of 401,974 children (ages 6–9), chosen to be representative of those who might be susceptible to the disease, were randomized to two groups: 200,745 children (the control group c) were injected with a harmless saline solution (a placebo) and the other 201,229 children (the treatment group t) were injected with salk’s vaccine.what was the point of giving saline solution to the children who didn’t get the vaccine? explain briefly.

Protein provides 4 calories per gram. mary is on a diet that requires her to eat atleast 40 grams of protein each day. shes eaten 152 calories of protein today. how much more protein does mary need to eat to meet her goal?

Bloodborn pathogens are infectious microorganisms carried by what?