Answer:a
Explanation: they are at the top
The statements that are true of heterogeneous mixtures are: they settle out and the proportions of solute to solvent may vary. The correct answer is option A. 1 and 2. Heterogeneous mixtures are considered mixtures wherein the components are not uniform and still retain their properties. Characteristics of heterogeneous mixtures are: the ratio of solute and solvent is not equal, the substances can be separated physically and they still retain their properties even if mixed with another substance.
Erosion transports/spreads broken down minerals while weathering is the processes of rocks and earth minerals being broken down.
Answer: Cellular movement is a function towards muscle contraction, cytoplasmic streaming, and locomotion. The motion transports nutrients, enzymes, and, in plants, large virus particles within the cells. Locomotion incorporates cilia, flagella, and pseudopodia into creatures.
Explanation:
