Q3. Biological washing powder contains enzymes to remove stains from clothes.
Describe an investigation to find the temperature at which biological washing powder is most effective at
removing stains
Your answer should include experimental details and be written in full sentences.

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

How does friction with the atmosphere affect the speed of an artificial satellite

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.