A scientist is investigating how the amount of available water affects plant growth in a rainforest. Although all of Earth's spheres are interconnected, which of Earth’s spheres does the scientist’s investigation focus on?

the geosphere and the hydrosphere
the hydrosphere and the biosphere
the biosphere and the geosphere
the geosphere and the atmosphere

The “ecological footprint” left by a citizen of a developed nation is about four times larger than that left by a citizen of a developing nation. why is this the case?

True or false: (a) the strings of little red dots represent carbohydrates. (b) the model is called a bilayer because there are two main types of molecules present, lipids and proteins. (c) the many black lines represent amino acid tails. (d) this model shows membrane transport. (e) the blue ovals are hydrophobic. (f) the blue ovals represent phospholipid heads.

Agroup of students want to live a healthier life style they decide to use one of these following vegetable oils for cooking apex