Currently, new regulations control the use of pesticides and chemical fertilizers to reduce what? A. Water contamination B. Insect population C. Crop sizes D. Illness

What's the difference between groups and periods in a periodic table?

In electromagnetic waves, frequency is inversely proportional to A: Amplitude B: Wave Speed C: Wavelength D: Reflection

Why are the mitochondria in plant cells important?

Which of the following distances is the longest? a. 0.006 kilometers b. 0.3 decimeters c. 820 meters d. 20,000 millimeters

A bird flies at an average velocity of 3.60 m/s for 18.4 s. How far does it travel? (unit=m)

Which of the following statements about electrons is not true? A) Electrons orbit the nucleus rather like planets orbiting the Sun. B) Within an atom, an electron can have only particular energies.

In longitude waves, the medium moves parallel to the direction of energy transport

Thomsonâs experiment is credited with the discovery of which particle?

When you drop a pebble from height h, it reaches the ground with kinetic energy k if there is no air resistance. from what height should you drop it so it will reach the ground with twice as much kinetic energy?

Explain two ways that technology has had a positive impact on the environment and two ways that it has had a negative impact on the environment.