Answer:
Waste disposal
Why? Contributes to the greenhouse effect and causes pollution
Solution: If you bring your lunch to school, package it in reusable containers instead of disposable ones. Carry food in reusable plastic or cloth bags, and bring drinks in a thermos instead of disposable bottles or cartons.
Solution: Compost leftover food
Hope this helps
The 1883 eruption of Krakatoa (Indonesian: Krakatau ) in the Sunda Strait began on the afternoon of Sunday, 26 August 1883—with origins as early as May of that year—and peaked on the late morning of Monday, 27 August 1883, when over 70% of the island of Krakatoa and its surrounding archipelago were destroyed as it collapsed into a caldera.
Answer:
Seismographs record seismic waves. They contain a weight and a pen attached to a spring. The seismograph is bolted to the ground so during an earthquake it moves with the ground, whilst the weight and pen remain still. The pen moves across a rotating paper roll recording the seismic waves.
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Answer:
Explanation: In facilitated diffusion, molecules diffuse across the plasma membrane with assistance from membrane proteins, such as channels and carriers. A concentration gradient exists for these molecules, so they have the potential to diffuse into or out of, the cell by moving down it.
Answer:
A Populations that exhibit altruism in its members likely allowed more members of the group to survive and reproduce.
