Unity-Persistent Manager Script

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.SceneManagement;

public class PersistentManagerScript : MonoBehaviour {

	public static PersistentManagerScript Instance { get; private set; }

    public GameObject playerFX;

    public float speed = 0.5f;
    public int lives = 3;

    private void Awake()
    {
        if (Instance == null)
        {
            Instance = this;
            DontDestroyOnLoad(gameObject);
        } else
        {
            Destroy(gameObject);
        }
    }

    public void levelUpSequence()
    {

        SceneManager.LoadScene(sceneName: "LevelComplete");
    }

    public void deathSequence()
    {


        spawnSingleParticlePrefab fx = playerFX.GetComponent<spawnSingleParticlePrefab>();

        fx.launchPrefab(2);

        SceneManager.LoadScene(sceneName: "MainMenu");
    }
}