A boulder falls down the side of a cliff and smashes into many smaller pieces. Which destructive forces are working to break the boulder into smaller pieces? WILL RATE BRAINLIEST! physical weathering and erosion

chemical weathering and erosion

biological weathering and chemical weathering

photosynthesis and chemical weathering

Ineed to know why d is the correct answer asap

The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane

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.