I believe, this is because ; the number of seeds it produces, its thick, woody stem and the number of inches it grows daily. Pigweed is generally found in gardens, cultivated or abandoned fields. It is herbaceous plant that belongs to amaranth family. In addition, it prefers areas with war climate and usually grows in gardens, orchards, fields, wastelands and areas near the roads.
Answer:
heat 100ml and 300 ml of water and record the temperature when boiling occurs
Answer:
1: 7.8 cm
2: .7 cm
3: 5.55 cm
For the other questions, you have to use a ruler yourself and measure using cm. :)
1 cm = 10 millimeter. To convert, just add a 0 to the end of cm to find the mm (or move the decimal one place to the right.)
For example, 2.6 cm = 26 mm / 5 cm = 50 mm. Hope this helps!
he purpose of an experiment is to compare results with a hypothesis. A hypothesis is defined as a theory or idea that has not yet been proved. In order to turn this into a fact, scientific method should be done and the data obtained is analyzed whether it speaks the truth of the hypothesis.