2. Nesting dolls are a set of hollow, wooden toys that have the same shape. Smaller nesting dolls fit inside larger dolls so that all smaller dolls fit into the largest doll when completely
assembled. Students were asked to use nesting dolls to model the levels of organization from
the smallest to largest structure.
Which model best demonstrates the levell of organization in plants and animals?

the answer is trees if i'm not mistaken

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds

wild parsnip is a perennial plant which reproduces rapidly in areas which have no sign of agricultural activity such roadside or at no tillage open areas. it's considered invasive because it can inhibit the growth of another plant  and its reproduction is fast. there are several harmful effects of this invasive plant although its taproot is edible since it is a member of the carrot family. wild parsnips can cause skin blistering when in contact because of the chemicals it contains, second it inhibits the growth of other plants, it will restrict the growth of animals when eaten and lastly, it drives away natural pollinators like bees.