Ascientist is working with methane and butane which statement best compared these chemicals?
a. they are two different types of molecules that each contain the same number of atoms.
b. they are two different types out atoms that are each made up of different of elements.
c. they are compounds made of the same two elements but each contain different number of atoms.
d. they are matter made of the same two compounds but each contain different types of elements.

This is a type pf behavior that animals are born with and them to survive

Use this dichotomous key for insect identification to identify the insect shown. 1. a. insect has one pair of wings. order diptera b. insect has two pairs of wings. go to #2 2. a. front wings thicker in texture than hind wings go to #3. b. front and hind wings are same texture throughout. go to #4 3. a. front wings are short order dermaptera b. front wings cover entire abdomen order coleoptera 4. a. wings with scale on all parts of their area. order lepidoptera b. wings without scales go to #5. 5. a. hind wings smaller than front wings. order ephemeroptera b. front and hind wings nearly equal in size. order odonata the insect pictured is in the order diptera. ephemeroptera. coleoptera. odonata.

Below are the three main organs that make up the plant body. what is the main function of the structure that is identified as b in the picture above? it anchors the plant.it produces food.it absorbs nutrients.it supports the plan